Não informado. (1966). Gastrointestinal Endoscopy. American Society for Gastrointestinal Endoscopy.
Chicagoスタイル(17版)引用形式Não informado. Gastrointestinal Endoscopy. Denver, Colo: American Society for Gastrointestinal Endoscopy, 1966.
MLA(8版)引用形式Não informado. Gastrointestinal Endoscopy. American Society for Gastrointestinal Endoscopy, 1966.
警告: この引用は必ずしも正確ではありません.