APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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