एपीए उद्धरण

Bergman, T. (1978). Mechanization of Indian Farming obstackles and prospects. Popular Prakashan.

शिकागो स्टाइल उद्धरण

Bergman, Theodor. Mechanization of Indian Farming Obstackles and Prospects. Bombay: Popular Prakashan, 1978.

एमएलए उद्धरण

Bergman, Theodor. Mechanization of Indian Farming Obstackles and Prospects. Popular Prakashan, 1978.