APA aipamena

Samanta,R K. (1991). Agricultural Extension in Changing World Perspective. uppal.

Chicago Style aipamena

Samanta,R K. Agricultural Extension in Changing World Perspective. new delhi: uppal, 1991.

MLA aipamena

Samanta,R K. Agricultural Extension in Changing World Perspective. uppal, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.