(1992). Geology. WCB.
Chicago Style (17th ed.) CitationGeology. Dubuque: WCB, 1992.
MLA citiranjeGeology. WCB, 1992.
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(1992). Geology. WCB.
Chicago Style (17th ed.) CitationGeology. Dubuque: WCB, 1992.
MLA citiranjeGeology. WCB, 1992.