Sanders, J. E. (1981). Principles of physical geology. John willey &sons.
Style de citation ChicagoSanders, John E. Principles of Physical Geology. New york: John willey &sons, 1981.
Style de citation MLASanders, John E. Principles of Physical Geology. John willey &sons, 1981.
Attention : ces citations peuvent ne pas être correctes à 100%.