Não informado. (2003). Current Opinion in Gastroenterology. Gower Academic Journals.
Chicagoスタイル(17版)引用形式Não informado. Current Opinion in Gastroenterology. New York: Gower Academic Journals, 2003.
MLA(8版)引用形式Não informado. Current Opinion in Gastroenterology. Gower Academic Journals, 2003.
警告: この引用は必ずしも正確ではありません.