APA-referens (7:e uppl.)

Knechtel, M. A. (2013). EKGs for the nurse practitioner and physician assistant. Springer Pub. Co..

Chicago-referens (17:e uppl.)

Knechtel, Maureen A. EKGs for the Nurse Practitioner and Physician Assistant. New York: Springer Pub. Co., 2013.

MLA-referens (9:e uppl.)

Knechtel, Maureen A. EKGs for the Nurse Practitioner and Physician Assistant. Springer Pub. Co., 2013.