Παραπομπή APA

Preeg, E. H. (1974). Economic blocs and U.S. foreign policy. Washington, D.C: National Planning Association.

Παραπομπή Chicago Style

Preeg, Ernest H. Economic Blocs and U.S. Foreign Policy. Washington, D.C: National Planning Association, 1974.

Παραπομπή MLA

Preeg, Ernest H. Economic Blocs and U.S. Foreign Policy. Washington, D.C: National Planning Association, 1974.

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