Bergsmark, D. R. (1943). Economic geography of Asia. Prentice-Hall.
Chicagoスタイル(17版)引用形式Bergsmark, Daniel R. Economic Geography of Asia. New York: Prentice-Hall, 1943.
MLA(9版)引用形式Bergsmark, Daniel R. Economic Geography of Asia. Prentice-Hall, 1943.
警告: この引用は必ずしも正確ではありません.