Dyfyniad APA

Spite, G. F. (1990). Agricultural and food policy. Washington: National Agricultural and Food Policy.

Dyfyniad Arddull Chicago

Spite, G. F. Agricultural and Food Policy. Washington: National Agricultural and Food Policy, 1990.

Dyfyniad MLA

Spite, G. F. Agricultural and Food Policy. Washington: National Agricultural and Food Policy, 1990.

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