Bergman, T. (1978). Mechanization of Indian Farming obstackles and prospects. Popular Prakashan.
Dyfyniad Arddull ChicagoBergman, Theodor. Mechanization of Indian Farming Obstackles and Prospects. Bombay: Popular Prakashan, 1978.
Dyfyniad MLABergman, Theodor. Mechanization of Indian Farming Obstackles and Prospects. Popular Prakashan, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.