Gaya APA
Kerlinger, F, N. (1981).
Foundations of behavioral research : educational and psychological inquiry (2nd ed).
Tokyo:
Holt, Saunders.
Gaya MLA
Kerlinger, Fred, N..
"Foundations of behavioral research : educational and psychological inquiry".
2nd ed
Tokyo:
Holt, Saunders,
1981.
Text.