Hornick, R. C. (1988). Development communication: Information, agriculture, and nutrition in the third world. Longman.
Lua i Stíl Chicago (17ú heag.)Hornick, Robert C. Development Communication: Information, Agriculture, and Nutrition in the Third World. New York: Longman, 1988.
Lua MLA (9ú heag.)Hornick, Robert C. Development Communication: Information, Agriculture, and Nutrition in the Third World. Longman, 1988.
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