Gaya APA
George, J, B. (1990).
Nursing Theories : The Base for Professional Nursing Practice (3).
Upper Saddle River, NJ:
Appleton & Lange.
Gaya MLA
George, Julia, B..
"Nursing Theories : The Base for Professional Nursing Practice".
3
Upper Saddle River, NJ:
Appleton & Lange,
1990.
Text.