Gaya APA
GEORGE, Julia B, dkk. (1990).
Nursing Theories .
:
Prentice Hall International.
Gaya Chicago
GEORGE, Julia B, dkk.
Nursing Theories.
:
Prentice Hall International,
1990.
Text.
Gaya MLA
GEORGE, Julia B, dkk.
Nursing Theories.
:
Prentice Hall International,
1990.
Text.
Gaya Turabian
GEORGE, Julia B, dkk.
Nursing Theories.
:
Prentice Hall International,
1990.
Print.