FITZGERALD, S. (1989). International Wildlife Trade Whose Business Is It Sarah Fitzgerald. World Wildlife Fund.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFITZGERALD, Sarah. International Wildlife Trade Whose Business Is It Sarah Fitzgerald. World Wildlife Fund, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFITZGERALD, Sarah. International Wildlife Trade Whose Business Is It Sarah Fitzgerald. World Wildlife Fund, 1989.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.