Freshwater Biological Association & Drake, C. M. (1983). The Freshwater Biological Association air-lift sampler user manual. Freshwater Biological Association.
Chicago Style (17th ed.) CitationFreshwater Biological Association and C. M. Drake. The Freshwater Biological Association Air-lift Sampler User Manual. Ambleside, Cumbria, U.K.: Freshwater Biological Association, 1983.
MLA citiranjeFreshwater Biological Association and C. M. Drake. The Freshwater Biological Association Air-lift Sampler User Manual. Freshwater Biological Association, 1983.
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