एपीए उद्धरण

Cole, G. (1944). Centuary of co-operation. George allen & unwin ltd.

शिकागो स्टाइल उद्धरण

Cole, G.D.H. Centuary of Co-operation. New Delhi: George allen & unwin ltd, 1944.

एमएलए उद्धरण

Cole, G.D.H. Centuary of Co-operation. George allen & unwin ltd, 1944.