APA način citiranja

Okafor, N. (2011). Environmental microbiology of aquatic & waste systems. Springer.

Čikaški stil citiranja

Okafor, Nduka. Environmental Microbiology of Aquatic & Waste Systems. Heildelberg: Springer, 2011.

MLA način citiranja

Okafor, Nduka. Environmental Microbiology of Aquatic & Waste Systems. Springer, 2011.

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