Dyfyniad APA

Bradfield, D. J. (1966). Guide to extension training. Food and Agriculture Organization of the United Nations.

Dyfyniad Arddull Chicago

Bradfield, D. J. Guide to Extension Training. Rome: Food and Agriculture Organization of the United Nations, 1966.

Dyfyniad MLA

Bradfield, D. J. Guide to Extension Training. Food and Agriculture Organization of the United Nations, 1966.

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