APA-viite (7. p.)
George, J. B. (1995). Nursing theories: The base for professional nursing practice (4th ed.). Appleton & Lange.
Chicago-viite (17. p.)
George, Julia B. Nursing Theories: The Base for Professional Nursing Practice. 4th ed. Norwalk: Appleton & Lange, 1995.
MLA-viite (9. p.)
George, Julia B. Nursing Theories: The Base for Professional Nursing Practice. 4th ed. Appleton & Lange, 1995.
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