Dyfyniad APA

Winsor, T. (1956). Electrocardiographic Test Book. The American Heart Association, Inc.

Dyfyniad Arddull Chicago

Winsor, Travis. Electrocardiographic Test Book. New York: The American Heart Association, Inc, 1956.

Dyfyniad MLA

Winsor, Travis. Electrocardiographic Test Book. The American Heart Association, Inc, 1956.

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