एपीए उद्धरण

Calley, A., & Forster. C.F. Stafford. D.A. (1977). Treatment of Industrial Effluents. Hodder and Stoughton.

शिकागो स्टाइल उद्धरण

Calley, A.G, और Forster. C.F. Stafford. D.A. Treatment of Industrial Effluents. lONDON: Hodder and Stoughton, 1977.

एमएलए उद्धरण

Calley, A.G, और Forster. C.F. Stafford. D.A. Treatment of Industrial Effluents. Hodder and Stoughton, 1977.