Gaya APA

McCaffrey, R., Youngkin, E, Q. (2010). Ebook : NP Notes : Nurse Practitioner's Clinical Pocket Guide . Philadelphia: F. A. Davis Company.

Gaya MLA

McCaffrey, Ruth., Youngkin, Ellis, Quinn. "Ebook : NP Notes : Nurse Practitioner's Clinical Pocket Guide". Philadelphia: F. A. Davis Company, 2010. Electronic Resource.