Hamblin, W. K. 1., & Howard, J. D. (1992). Exercises in physical geology. New York: Macmillan Pub. Co..
シカゴスタイル引用形Hamblin, W. Kenneth 1928-, , James D. Howard. Exercises in Physical Geology. New York: Macmillan Pub. Co., 1992.
MLA引用形式Hamblin, W. Kenneth 1928-, , James D. Howard. Exercises in Physical Geology. New York: Macmillan Pub. Co., 1992.
警告: この引用は必ずしも正確ではありません.