Dyfyniad APA

Borradaile Graham. (2014). Understanding Geology Through Maps. Elsevier.

Dyfyniad Arddull Chicago

Borradaile Graham. Understanding Geology Through Maps. Oxford: Elsevier, 2014.

Dyfyniad MLA

Borradaile Graham. Understanding Geology Through Maps. Elsevier, 2014.

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