U.S. Geological Survey, U. (1956). American Mineralogist, vol.41, (1-12).
Čikaški stil citiranjaU.S. Geological Survey, U.S.A. American Mineralogist, Vol.41, (1-12). U.S. Geological Survey, U.S.A, 1956.
MLA način citiranjaU.S. Geological Survey, U.S.A. American Mineralogist, Vol.41, (1-12). 1956.
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