Gaya APA
NAWAWI, H.
(2006).
Instrumen Penelitian Bidang Sosial
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
NAWAWI, Hadari.
"Instrumen Penelitian Bidang Sosial".
Yogyakarta:
Gadjah Mada University Press,
2006.
Text.