Dyfyniad APA

Hutchison, C. S. (1974). Laboratory handbook of petrographic techniques. Wiley interscience.

Dyfyniad Arddull Chicago

Hutchison, Charles S. Laboratory Handbook of Petrographic Techniques. London: Wiley interscience, 1974.

Dyfyniad MLA

Hutchison, Charles S. Laboratory Handbook of Petrographic Techniques. Wiley interscience, 1974.

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