Não informado. (1984). Year book of digestive diseases. Year Book Medical Publishers.
Style de citation Chicago (17e éd.)Não informado. Year Book of Digestive Diseases. Chicago, Ill: Year Book Medical Publishers, 1984.
Style de citation MLA (8e éd.)Não informado. Year Book of Digestive Diseases. Year Book Medical Publishers, 1984.
Attention : ces citations peuvent ne pas être correctes à 100%.