Dyfyniad APA

Cox, P. (1997). The elements on earth: Inorganic chemistry in the environment. Univ. Pr..

Dyfyniad Arddull Chicago

Cox, P.A. The Elements on Earth: Inorganic Chemistry in the Environment. Oxford: Univ. Pr., 1997.

Dyfyniad MLA

Cox, P.A. The Elements on Earth: Inorganic Chemistry in the Environment. Univ. Pr., 1997.

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