Cita APA (7th ed.)

Chamala, S., & Crouch, B. R. (1981). Extension education and rural development. Wiley.

Cita Chicago (17th ed.)

Chamala, Shankariah, i Bruce R. Crouch. Extension Education and Rural Development. Chichester [Eng.] ; New York: Wiley, 1981.

Cita MLA (8th ed.)

Chamala, Shankariah, i Bruce R. Crouch. Extension Education and Rural Development. Wiley, 1981.