Braun, H. A. (1979). ECG arrhythmia interpretation: A programmed text for health care personnel. Reston Pub.
Lua i Stíl Chicago (17ú heag.)Braun, Harold A. ECG Arrhythmia Interpretation: A Programmed Text for Health Care Personnel. Virginia: Reston Pub, 1979.
Lua MLA (9ú heag.)Braun, Harold A. ECG Arrhythmia Interpretation: A Programmed Text for Health Care Personnel. Reston Pub, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.