Winsor, T. (1956). Electrocardiographic Test Book. The American Heart Association, Inc.
Chicago Style aipamenaWinsor, Travis. Electrocardiographic Test Book. New York: The American Heart Association, Inc, 1956.
MLA aipamenaWinsor, Travis. Electrocardiographic Test Book. The American Heart Association, Inc, 1956.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.