Plummer, C. C., & McGeary, D. (1996). Physical geology with interactive plate tectonics CD-ROM (7th ed.). Dubuque, IA: Wm. C. Brown.
Παραπομπή Chicago StylePlummer, Charles C., and David McGeary. Physical Geology With Interactive Plate Tectonics CD-ROM. 7th ed. Dubuque, IA: Wm. C. Brown, 1996.
Παραπομπή MLAPlummer, Charles C., and David McGeary. Physical Geology With Interactive Plate Tectonics CD-ROM. 7th ed. Dubuque, IA: Wm. C. Brown, 1996.
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