APA-referens (7:e uppl.)

Singh, G. .. (1979). Transformation of agriculture. Vishal Pub.

Chicago-referens (17:e uppl.)

Singh, G .B. Transformation of Agriculture. Haryana: Vishal Pub, 1979.

MLA-referens (9:e uppl.)

Singh, G .B. Transformation of Agriculture. Vishal Pub, 1979.