Couper, A. D. (1972). The geography of sea transport. Hutchin University Library.
Chicagoスタイル(17版)引用形式Couper, A. D. The Geography of Sea Transport. London: Hutchin University Library, 1972.
MLA(9版)引用形式Couper, A. D. The Geography of Sea Transport. Hutchin University Library, 1972.
警告: この引用は必ずしも正確ではありません.