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 and Lawick-Goodall. 黑猩猩在召唤: In the Shadow of Man. 科学出版社, 1980.
MLA citiranje古多尔 and Lawick-Goodall. 黑猩猩在召唤: In the Shadow of Man. 科学出版社, 1980.
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