Gaya APA

Callans, D, J. (2024). Josephson's Clinical Cardiac Electrophysiology : Techniques and Interpretations (7th ed). Philadelphia: Wolters Kluwer.

Gaya MLA

Callans, David, J.. "Josephson's Clinical Cardiac Electrophysiology : Techniques and Interpretations". 7th ed Philadelphia: Wolters Kluwer, 2024. Text.