Citace podle APA

John, K. a. (1997). Farmers participation in agricultural research and extention systems. Concept publishing.

Styl Chicago

John, K.C...[et. al.]. Farmers Participation in Agricultural Research and Extention Systems. New Delhi: Concept publishing, 1997.

Citace podle MLA

John, K.C...[et. al.]. Farmers Participation in Agricultural Research and Extention Systems. Concept publishing, 1997.

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