Dyfyniad APA

Sykes, G., & Skinner, F. A. (1971). Microbial aspects of pollution. Academic press.

Dyfyniad Arddull Chicago

Sykes, G., and F. A. Skinner. Microbial Aspects of Pollution. London: Academic press, 1971.

Dyfyniad MLA

Sykes, G., and F. A. Skinner. Microbial Aspects of Pollution. Academic press, 1971.

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