APA Style
Cartwright, Carol A.. (1984).
DEVELOPING OBSERVATION SKILLS ( edisi 2) (2 nd Ed.).
New York:
MicGraw-Hill.
Chicago Style
Cartwright, Carol A..
DEVELOPING OBSERVATION SKILLS ( edisi 2).
2 nd Ed.
New York:
MicGraw-Hill,
1984.
Text.
MLA Style
Cartwright, Carol A..
DEVELOPING OBSERVATION SKILLS ( edisi 2).
2 nd Ed.
New York:
MicGraw-Hill,
1984.
Text.
Turabian Style
Cartwright, Carol A..
DEVELOPING OBSERVATION SKILLS ( edisi 2).
2 nd Ed.
New York:
MicGraw-Hill,
1984.
Print.