Não informado. (1978). Italian journal of gastroenterology. Piccin Medical Books.
Chicagoスタイル(17版)引用形式Não informado. Italian Journal of Gastroenterology. Padova, Italia: Piccin Medical Books, 1978.
MLA(8版)引用形式Não informado. Italian Journal of Gastroenterology. Piccin Medical Books, 1978.
警告: この引用は必ずしも正確ではありません.