APA (7 वां संस्करण) प्रशस्ति पत्र

Keith, L. H., Jones-Lepp, T. L., & Needham, L. L. (1999). Analysis of environmental endocrine disruptors. American Chemical Society.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Keith, Lawrence H., Tammy L. Jones-Lepp, और Larry L. Needham. Analysis of Environmental Endocrine Disruptors. Washington, DC: American Chemical Society, 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Keith, Lawrence H., et al. Analysis of Environmental Endocrine Disruptors. American Chemical Society, 1999.