Verhoogen, J. (1970). Earth: An introduction to physical geology. Rinehart & winston.
Cita Chicago Style (17a ed.)Verhoogen, John. Earth: An Introduction to Physical Geology. New York: Rinehart & winston, 1970.
Cita MLA (9a ed.)Verhoogen, John. Earth: An Introduction to Physical Geology. Rinehart & winston, 1970.
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