Gaya APA
Cozby, P, C.
(2009).
Method in Behavioral Research
(
Eds.ke-9)
.
Jakarta:
Pustaka Pelajar.
Gaya MLA
Cozby, Paul, C.
"Method in Behavioral Research".
Eds.ke-9
Jakarta:
Pustaka Pelajar,
2009.
Teks.