Trích dẫn APA

Balachandra Nath, N. G. (2004). Extension strategies for hte major farming systems in the content of the changing agricultural situation in Keral (Ph.D.). College of Agriculture.

Trích dẫn kiểu Chicago

Balachandra Nath, N G. Extension Strategies for Hte Major Farming Systems in the Content of the Changing Agricultural Situation in Keral. Ph.D. Vellayani: College of Agriculture, 2004.

Trích dẫn MLA

Balachandra Nath, N G. Extension Strategies for Hte Major Farming Systems in the Content of the Changing Agricultural Situation in Keral. Ph.D. College of Agriculture, 2004.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.