FITZGERALD, S. (1989). International Wildlife Trade Whose Business Is It Sarah Fitzgerald. World Wildlife Fund.
Chicago Style (17. basım) AtıfFITZGERALD, Sarah. International Wildlife Trade Whose Business Is It Sarah Fitzgerald. World Wildlife Fund, 1989.
MLA (8th ed.) AtıfFITZGERALD, Sarah. International Wildlife Trade Whose Business Is It Sarah Fitzgerald. World Wildlife Fund, 1989.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..