Παραπομπή APA

(1959). Potential effects of St. Lawrence Seaway on costs of transporting grain. Washington, D.C: Government Printing Office.

Παραπομπή Chicago Style

Potential Effects of St. Lawrence Seaway On Costs of Transporting Grain. Washington, D.C: Government Printing Office, 1959.

Παραπομπή MLA

Potential Effects of St. Lawrence Seaway On Costs of Transporting Grain. Washington, D.C: Government Printing Office, 1959.

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