Dyfyniad APA

Isaacs, A. (1948). International trade: Tariff and commercial policies. Richard D. Irwin.

Dyfyniad Arddull Chicago

Isaacs, Asher. International Trade: Tariff and Commercial Policies. Chicago: Richard D. Irwin, 1948.

Dyfyniad MLA

Isaacs, Asher. International Trade: Tariff and Commercial Policies. Richard D. Irwin, 1948.

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