Dyfyniad APA

World Health Organization. (1981). Histological typing of lung tumours (2nd ed.). World Health Organization.

Dyfyniad Arddull Chicago

World Health Organization. Histological Typing of Lung Tumours. 2nd ed. Geneva: World Health Organization, 1981.

Dyfyniad MLA

World Health Organization. Histological Typing of Lung Tumours. 2nd ed. World Health Organization, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.