Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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