एपीए उद्धरण

Hindu. (1981). The survey of indian industry,1981. Kastruri and sons.

शिकागो स्टाइल उद्धरण

Hindu. The Survey of Indian Industry,1981. Madras: Kastruri and sons, 1981.

एमएलए उद्धरण

Hindu. The Survey of Indian Industry,1981. Kastruri and sons, 1981.