Rapport, S., & Wright, H. (1955). The crust of the earth: An introduction to geology. New York: The New American Library.
Παραπομπή Chicago StyleRapport, Samuel, and Helen Wright. The Crust of the Earth: An Introduction to Geology. New York: The New American Library, 1955.
Παραπομπή MLARapport, Samuel, and Helen Wright. The Crust of the Earth: An Introduction to Geology. New York: The New American Library, 1955.
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