एपीए उद्धरण

Indian Institute of foreign trade. (1973). Generalised system of preferences. I.I.F.T.

शिकागो स्टाइल उद्धरण

Indian Institute of foreign trade. Generalised System of Preferences. New Delhi: I.I.F.T, 1973.

एमएलए उद्धरण

Indian Institute of foreign trade. Generalised System of Preferences. I.I.F.T, 1973.