Dyfyniad APA

Manahan , S. E. (2000). Environmental chemistry (7th ed.). Lewis publishers.

Dyfyniad Arddull Chicago

Manahan , Stanley E. Environmental Chemistry. 7th ed. London: Lewis publishers, 2000.

Dyfyniad MLA

Manahan , Stanley E. Environmental Chemistry. 7th ed. Lewis publishers, 2000.

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