Tontz, R. L. (1966). Foreign agricultural trade: Selected readings ([1st ed.].). Iowa State University Press.
Chicagoスタイル(17版)引用形式Tontz, Robert L. Foreign Agricultural Trade: Selected Readings. [1st ed.]. Ames: Iowa State University Press, 1966.
MLA(9版)引用形式Tontz, Robert L. Foreign Agricultural Trade: Selected Readings. [1st ed.]. Iowa State University Press, 1966.
警告: この引用は必ずしも正確ではありません.