H. B. Özalp, "Biodiversity of Marine Caves and Cave-Like Formations around the Northern Aegean Islands (Gökçeada, Bozcaada)," In Marine Caves of the Eastern Mediterranean Sea Biodiversity, Threat and Conservation , İstanbul: TURKISH MARINE RESEARCH FOUNDATION PRESS, 2019, pp.166-185.
Özalp, H. B. Biodiversity of Marine Caves and Cave-Like Formations around the Northern Aegean Islands (Gökçeada, Bozcaada). 2019. In Marine Caves of the Eastern Mediterranean Sea Biodiversity, Threat and Conservation , TURKISH MARINE RESEARCH FOUNDATION PRESS, İstanbul, 166-185.
Özalp, H. B., (2019). Biodiversity of Marine Caves and Cave-Like Formations around the Northern Aegean Islands (Gökçeada, Bozcaada). Marine Caves of the Eastern Mediterranean Sea Biodiversity, Threat and Conservation (pp.166-185), İstanbul: TURKISH MARINE RESEARCH FOUNDATION PRESS.
Özalp, HASAN. "Biodiversity of Marine Caves and Cave-Like Formations around the Northern Aegean Islands (Gökçeada, Bozcaada)." In Marine Caves of the Eastern Mediterranean Sea Biodiversity, Threat and Conservation , 166-185. İstanbul: TURKISH MARINE RESEARCH FOUNDATION PRESS, 2019
Özalp, HASAN B. . "Biodiversity of Marine Caves and Cave-Like Formations around the Northern Aegean Islands (Gökçeada, Bozcaada)." Marine Caves of the Eastern Mediterranean Sea Biodiversity, Threat and Conservation , TURKISH MARINE RESEARCH FOUNDATION PRESS, 2019, pp.166-185.
Özalp, H. B. (2019) "Biodiversity of Marine Caves and Cave-Like Formations around the Northern Aegean Islands (Gökçeada, Bozcaada)", Marine Caves of the Eastern Mediterranean Sea Biodiversity, Threat and Conservation . İstanbul: TURKISH MARINE RESEARCH FOUNDATION PRESS.
@bookchapter{bookchapter, author ={HASAN BARIŞ ÖZALP}, chaptertitle={Biodiversity of Marine Caves and Cave-Like Formations around the Northern Aegean Islands (Gökçeada, Bozcaada)}, booktitle={ Marine Caves of the Eastern Mediterranean Sea Biodiversity, Threat and Conservation}, publisher={TURKISH MARINE RESEARCH FOUNDATION PRESS}, city={İstanbul},year={2019} }