Vollenweider, R., Talling, J., & Westlake, D. (1969). A manual on methods for measuring primary production in aquatic environments. Blackwell Scientific Publ.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVollenweider, R.A, J.F Talling, और D.F Westlake. A Manual on Methods for Measuring Primary Production in Aquatic Environments. Oxford, U.K: Blackwell Scientific Publ, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVollenweider, R.A, et al. A Manual on Methods for Measuring Primary Production in Aquatic Environments. Blackwell Scientific Publ, 1969.
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