David McGeary. (1992). Physical geology: Earth revealed. Dubuque, Iowa: Wm. C. Brown.
シカゴスタイル引用形David McGeary. Physical Geology: Earth Revealed. Dubuque, Iowa: Wm. C. Brown, 1992.
MLA引用形式David McGeary. Physical Geology: Earth Revealed. Dubuque, Iowa: Wm. C. Brown, 1992.
警告: この引用は必ずしも正確ではありません.