Groedel, F. M. (1946). The venous pulse and its graphic recording. Brooklyn medical press.
Chicago-referens (17:e uppl.)Groedel, Franz Maximilian. The Venous Pulse and Its Graphic Recording. New York, N. Y.: Brooklyn medical press, 1946.
MLA-referens (8:e uppl.)Groedel, Franz Maximilian. The Venous Pulse and Its Graphic Recording. Brooklyn medical press, 1946.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.