Gaya APA
NAWAWI, H.
(1992).
Imstrumen penelitin bidang sosial
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
NAWAWI, HADARI.
"Imstrumen penelitin bidang sosial".
Yogyakarta:
Gadjah Mada University Press,
1992.
Text.