古多尔 & Lawick-Goodall. (1980). 黑猩猩在召唤: In the shadow of man. 科学出版社.
Chicago Style (17th ed.) Citation古多尔 i Lawick-Goodall. 黑猩猩在召唤: In the Shadow of Man. 科学出版社, 1980.
Cita MLA古多尔 i Lawick-Goodall. 黑猩猩在召唤: In the Shadow of Man. 科学出版社, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.