Παραπομπή APA

(1971). A good life for more people: Yearbook of agriculture, 1971. Washington, D.C: Government Printing Office.

Παραπομπή Chicago Style

A Good Life for More People: Yearbook of Agriculture, 1971. Washington, D.C: Government Printing Office, 1971.

Παραπομπή MLA

A Good Life for More People: Yearbook of Agriculture, 1971. Washington, D.C: Government Printing Office, 1971.

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