APA (7e ed.) Bronvermelding

Gibson, J. B., & Sobin, L. H. (1978). Histological typing of tumours of the liver, biliary tract, and pancreas. World Health Organization.

Chicago (17e ed.) Bronvermelding

Gibson, J. B., en L. H. Sobin. Histological Typing of Tumours of the Liver, Biliary Tract, and Pancreas. Geneva: World Health Organization, 1978.

MLA (9e ed.) Bronvermelding

Gibson, J. B., en L. H. Sobin. Histological Typing of Tumours of the Liver, Biliary Tract, and Pancreas. World Health Organization, 1978.