APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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