एपीए उद्धरण

(1927). Section of Orthopedic Surgery, April 15, 1927.

शिकागो स्टाइल उद्धरण

Section of Orthopedic Surgery, April 15, 1927. 1927.

एमएलए उद्धरण

Section of Orthopedic Surgery, April 15, 1927. 1927.