एपीए उद्धरण

Singh, H. (1987). Regional disparity in Industrial Growth. Anmol.

शिकागो स्टाइल उद्धरण

Singh, H.P. Regional Disparity in Industrial Growth. New Delhi: Anmol, 1987.

एमएलए उद्धरण

Singh, H.P. Regional Disparity in Industrial Growth. Anmol, 1987.