Παραπομπή APA

(1960). Power to produce: The yearbook of agriculture, 1960. Washington, D.C: Government Printing Office.

Παραπομπή Chicago Style

Power to Produce: The Yearbook of Agriculture, 1960. Washington, D.C: Government Printing Office, 1960.

Παραπομπή MLA

Power to Produce: The Yearbook of Agriculture, 1960. Washington, D.C: Government Printing Office, 1960.

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