APA ציטוט

Clark,Audrey,N. (2003). The Penguin Dictionary of geography.3rd ed (3.).

Chicago Edition Citation

Clark,Audrey,N. The Penguin Dictionary of Geography.3rd Ed. 3. Penguin Books, London, 2003.

ציטוט MLA

Clark,Audrey,N. The Penguin Dictionary of Geography.3rd Ed. 3. 2003.