Schamroth, L., & Schamroth, C. An introduction to electro cardiography (seven edition.).
Cita Chicago (17th ed.)Schamroth, Leo, i Colin Schamroth. An Introduction to Electro Cardiography. seven edition.
Cita MLA (8th ed.)Schamroth, Leo, i Colin Schamroth. An Introduction to Electro Cardiography. seven edition.
Atenció: Aquestes cites poden no estar 100% correctes.