एपीए उद्धरण

Estelle M.philips & D.S.pugh. (1987). How to get a Ph.D. UBS publishers distributers.

शिकागो स्टाइल उद्धरण

Estelle M.philips और D.S.pugh. How to Get a Ph.D. New delhi: UBS publishers distributers, 1987.

एमएलए उद्धरण

Estelle M.philips और D.S.pugh. How to Get a Ph.D. UBS publishers distributers, 1987.