George, J. B. (2002). Nursing theories: The base for professional nursing practice (5th ed.). Prentice Hall.
Chicago-Zitierstil (17. Ausg.)George, Julia B. Nursing Theories: The Base for Professional Nursing Practice. 5th ed. Upper Saddle River, NJ: Prentice Hall, 2002.
MLA-Zitierstil (9. Ausg.)George, Julia B. Nursing Theories: The Base for Professional Nursing Practice. 5th ed. Prentice Hall, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.