Winsor, T. (1956). Electrocardiographic Test Book.
Lua i Stíl Chicago (17ú heag.)Winsor, Travis. Electrocardiographic Test Book. 1956.
Lua MLA (9ú heag.)Winsor, Travis. Electrocardiographic Test Book. 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.