Não informado. (1984). Year book of digestive diseases. Year Book Medical Publishers.
Chicagoスタイル(17版)引用形式Não informado. Year Book of Digestive Diseases. Chicago, Ill: Year Book Medical Publishers, 1984.
MLA(8版)引用形式Não informado. Year Book of Digestive Diseases. Year Book Medical Publishers, 1984.
警告: この引用は必ずしも正確ではありません.