Gaya APA

McEwen, M., Wills, E, M. (2011). Theoretical Basis for Nursing (3). North America: Wolters Kluwers Health & Lippincott Williams & Wilkins.

Gaya MLA

McEwen, Melanie., Wills, Evelyn, M.. "Theoretical Basis for Nursing". 3 North America: Wolters Kluwers Health & Lippincott Williams & Wilkins, 2011. Teks (Text).