Keith, L. H., & Lawrence H. Keith; editor. (1988). Principles of environmental sampling. [Washington, D.C.]: American Chemical Society.
Trích dẫn kiểu ChicagoKeith, Lawrence H., và Lawrence H. Keith; editor. Principles of Environmental Sampling. [Washington, D.C.]: American Chemical Society, 1988.
Deismireacht MLAKeith, Lawrence H., và Lawrence H. Keith; editor. Principles of Environmental Sampling. [Washington, D.C.]: American Chemical Society, 1988.
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