Gaya APA
HR, RIDWAN. (1990).
ASAS-ASAS PENELITIAN BEHAVIOR .
YOGYAKARTA:
GADJAH MADA UNIVERSITY PRESS.
Gaya Chicago
HR, RIDWAN.
ASAS-ASAS PENELITIAN BEHAVIOR.
YOGYAKARTA:
GADJAH MADA UNIVERSITY PRESS,
1990.
Text.
Gaya MLA
HR, RIDWAN.
ASAS-ASAS PENELITIAN BEHAVIOR.
YOGYAKARTA:
GADJAH MADA UNIVERSITY PRESS,
1990.
Text.
Gaya Turabian
HR, RIDWAN.
ASAS-ASAS PENELITIAN BEHAVIOR.
YOGYAKARTA:
GADJAH MADA UNIVERSITY PRESS,
1990.
Print.