एपीए उद्धरण

Ajit Singh. (1994). Export of Agricultural Commodities: 2000 AD A Perspective. Wiley Eastern.

शिकागो स्टाइल उद्धरण

Ajit Singh. Export of Agricultural Commodities: 2000 AD A Perspective. New Delhi: Wiley Eastern, 1994.

एमएलए उद्धरण

Ajit Singh. Export of Agricultural Commodities: 2000 AD A Perspective. Wiley Eastern, 1994.