Garforth, C. (1995). Guide to extension training. Rome: Food and Agriculture Organization of the United Nations.
Trích dẫn kiểu ChicagoGarforth, C. Guide to Extension Training. Rome: Food and Agriculture Organization of the United Nations, 1995.
Trích dẫn MLAGarforth, C. Guide to Extension Training. Rome: Food and Agriculture Organization of the United Nations, 1995.
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