Brown, G. D., & Ladd, G. T. (1960). The earth: : man's geologic environment. Merrill publishing company.
シカゴスタイル引用形Brown, George D., , George T. Ladd. The Earth: : Man's Geologic Environment. Columbus: Merrill publishing company, 1960.
MLA引用形式Brown, George D., , George T. Ladd. The Earth: : Man's Geologic Environment. Merrill publishing company, 1960.
警告: この引用は必ずしも正確ではありません.