APA-viite

Ban, A. . V. d., & Samanta, R. (2006). Changing roles of agricultural extension in Asian nations. B.R. publishing.

Chicago-tyylinen lähdeviittaus

Ban, A.W. Van den, ja R.K Samanta. Changing Roles of Agricultural Extension in Asian Nations. Delhi: B.R. publishing, 2006.

MLA-viite

Ban, A.W. Van den, ja R.K Samanta. Changing Roles of Agricultural Extension in Asian Nations. B.R. publishing, 2006.