APA-viite (7. p.)
Knechtel, M. A. (2013). EKGs for the nurse practitioner and physician assistant. Springer Pub. Co..
Chicago-viite (17. p.)
Knechtel, Maureen A. EKGs for the Nurse Practitioner and Physician Assistant. New York: Springer Pub. Co., 2013.
MLA-viite (9. p.)
Knechtel, Maureen A. EKGs for the Nurse Practitioner and Physician Assistant. Springer Pub. Co., 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.