Não informado. (1974). Pesticides abstracts. U.S. Public Health Service, Pesticides Program.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Pesticides Abstracts. Washington: U.S. Public Health Service, Pesticides Program, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Pesticides Abstracts. U.S. Public Health Service, Pesticides Program, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.