George, J. B. (2002). Nursing theories: The base for professional nursing practice (5th ed.). Prentice Hall.
Cita Chicago (17th ed.)George, Julia B. Nursing Theories: The Base for Professional Nursing Practice. 5th ed. Upper Saddle River, NJ: Prentice Hall, 2002.
Cita MLA (9th ed.)George, Julia B. Nursing Theories: The Base for Professional Nursing Practice. 5th ed. Prentice Hall, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.