Gaya APA
NAWAWI, H.
(1991).
Metode penelitian bidang sosial
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
NAWAWI, Hadari.
"Metode penelitian bidang sosial".
Yogyakarta:
Gadjah Mada University Press,
1991.
Text.