एपीए उद्धरण

Cook, J., & Sankaran, B. W. (1988). General surgery at the district hospital. World Health Organisation.

शिकागो स्टाइल उद्धरण

Cook, John, और Balu Wasunnas Sankaran. General Surgery at the District Hospital. Geneva: World Health Organisation, 1988.

एमएलए उद्धरण

Cook, John, और Balu Wasunnas Sankaran. General Surgery at the District Hospital. World Health Organisation, 1988.