APA

Swanson B. E. R. P. B. A. J. S., . (2005). Improving Agricultural Extension: A Reference manual. New Delhi: Daya publishing house.

Chicago

Swanson Burton E Robert P Bentz Andrew J Sofranko, . 2005. Improving Agricultural Extension: A Reference manual. New Delhi: Daya publishing house.

Harvard

Swanson B. E. R. P. B. A. J. S., . (2005). Improving Agricultural Extension: A Reference manual. New Delhi: Daya publishing house.

MLA

Swanson Burton E Robert P Bentz Andrew J Sofranko, . Improving Agricultural Extension: A Reference manual. New Delhi: Daya publishing house. 2005.