Hunt Charles B. (1967). Physiography of the United states. Freeman.
Chicagoスタイル(17版)引用形式Hunt Charles B. Physiography of the United States. San Francisco: Freeman, 1967.
MLA(9版)引用形式Hunt Charles B. Physiography of the United States. Freeman, 1967.
警告: この引用は必ずしも正確ではありません.