Greenland, D. (1977). The earth in profile: A physical geography. Confield.
Chicagoスタイル(17版)引用形式Greenland, David. The Earth in Profile: A Physical Geography. San Francisco: Confield, 1977.
MLA(9版)引用形式Greenland, David. The Earth in Profile: A Physical Geography. Confield, 1977.
警告: この引用は必ずしも正確ではありません.