Dyfyniad APA

Chang,Raymond, & Goldsby, K. A. (2013). Chemistry (Eleventh edition.). McGraw-Hill.

Dyfyniad Arddull Chicago

Chang,Raymond, and Kenneth A. Goldsby. Chemistry. Eleventh edition. New York: McGraw-Hill, 2013.

Dyfyniad MLA

Chang,Raymond, and Kenneth A. Goldsby. Chemistry. Eleventh edition. McGraw-Hill, 2013.

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