APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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