एपीए उद्धरण

Koop, C. E., & Kiesewetter, W. B. (1954). Extra-Hepatic Atresia of the Bile Ducts.

शिकागो स्टाइल उद्धरण

Koop, C. Everett, और William B. Kiesewetter. Extra-Hepatic Atresia of the Bile Ducts. 1954.

एमएलए उद्धरण

Koop, C. Everett, और William B. Kiesewetter. Extra-Hepatic Atresia of the Bile Ducts. 1954.