Dyfyniad APA

Maier, R. M., Pepper, I. L., & Gerba, C. P. (2009). Environmental microbiology (2nd ed.). Elsevier/Academic Press.

Dyfyniad Arddull Chicago

Maier, Raina M., Ian L. Pepper, and Charles P. Gerba. Environmental Microbiology. 2nd ed. Amsterdam ; Boston: Elsevier/Academic Press, 2009.

Dyfyniad MLA

Maier, Raina M., et al. Environmental Microbiology. 2nd ed. Elsevier/Academic Press, 2009.

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