APA ציטוט
ebrary, Inc, Ryann, A. L., & Perkins, N. J. (2011). The Black Sea: Dynamics, ecology and conservation. Nova Science Publishers.
Chicago Style (17th ed.) Citation
ebrary, Inc, Amy L. Ryann, and Nathan J. Perkins. The Black Sea: Dynamics, Ecology and Conservation. New York: Nova Science Publishers, 2011.
ציטוט MLA
ebrary, Inc, et al. The Black Sea: Dynamics, Ecology and Conservation. Nova Science Publishers, 2011.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.