APA ציטוט

Carl Waldman. (1992). Who was who in world exploration. New York: Facts on File.

Trích dẫn kiểu Chicago

Carl Waldman. Who Was Who in World Exploration. New York: Facts on File, 1992.

ציטוט MLA

Carl Waldman. Who Was Who in World Exploration. New York: Facts on File, 1992.