APA aipamena

Graybiel, A. (1952). Electrocardiography in practice. Saunders.

Chicago Style aipamena

Graybiel, Ashton. Electrocardiography in Practice. Philadelphia: Saunders, 1952.

MLA aipamena

Graybiel, Ashton. Electrocardiography in Practice. Saunders, 1952.