APA aipamena

Singh, Y. (1973). Key communicators of agricultural innovations. Satish book enterprise.

Chicago Style aipamena

Singh, Y.P. Key Communicators of Agricultural Innovations. Agra: Satish book enterprise, 1973.

MLA aipamena

Singh, Y.P. Key Communicators of Agricultural Innovations. Satish book enterprise, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.