एपीए उद्धरण

Richard H Egdahl. (1979). Comprehensive Manual of Surgical Specialties. Springer verlag,Newyork.

शिकागो स्टाइल उद्धरण

Richard H Egdahl. Comprehensive Manual of Surgical Specialties. Springer verlag,Newyork, 1979.

एमएलए उद्धरण

Richard H Egdahl. Comprehensive Manual of Surgical Specialties. Springer verlag,Newyork, 1979.