Gaya APA
George, J, B. (1990).
Nursing theories: the base for profesional nursing practice; 3rd ed. .
New Jersey:
Appleton & Lange.
Gaya MLA
George, Julia, B..
"Nursing theories: the base for profesional nursing practice; 3rd ed.".
New Jersey:
Appleton & Lange,
1990.
Text.