Plummer, C. C. (2001). Physical geology: Featuring the smithsonian institution's journey through geology CD-ROM. McGraw-Hill.
Chicago Style (17th ed.) CitationPlummer, Charles C. Physical Geology: Featuring the Smithsonian Institution's Journey Through Geology CD-ROM. Boston: McGraw-Hill, 2001.
ציטוט MLAPlummer, Charles C. Physical Geology: Featuring the Smithsonian Institution's Journey Through Geology CD-ROM. McGraw-Hill, 2001.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.