Gaya APA

HADDIX, K, A., DEITOS, P. (2001). ELECTROCARDIOGRAPHY FOR HEALTH CARE PERSONAL . USA: Mc Graw Hill.

Gaya MLA

HADDIX, KATHRYN, A.., DEITOS, PATRICIA. "ELECTROCARDIOGRAPHY FOR HEALTH CARE PERSONAL". USA: Mc Graw Hill, 2001. Textbook.