Cita APA

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

Citación estilo Chicago

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

Cita MLA

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