Dyfyniad APA

Vollenweider, R. A. (1974). Mannual on methods for measuring primary production in aquatic environments (2.).

Dyfyniad Arddull Chicago

Vollenweider, Richard A. Mannual on Methods for Measuring Primary Production in Aquatic Environments. 2. Blackwell Scientific Publications, Edinburgh, 1974.

Dyfyniad MLA

Vollenweider, Richard A. Mannual on Methods for Measuring Primary Production in Aquatic Environments. 2. 1974.

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