एपीए उद्धरण

David, P. (1955). Indications for and Results of Surgery for Mitral Stenosis.

शिकागो स्टाइल उद्धरण

David, Paul. Indications for and Results of Surgery for Mitral Stenosis. 1955.

एमएलए उद्धरण

David, Paul. Indications for and Results of Surgery for Mitral Stenosis. 1955.