Dyfyniad APA

Girard, J. E. (2005). Principles of environmental chemistry. Jones and Bartlett publishers.

Dyfyniad Arddull Chicago

Girard, James E. Principles of Environmental Chemistry. Sudbury: Jones and Bartlett publishers, 2005.

Dyfyniad MLA

Girard, James E. Principles of Environmental Chemistry. Jones and Bartlett publishers, 2005.

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