Gaya APA
Nawawi, H.
(1992).
Instrumen Penelitian Bidang Sosial
.
YOGYAKARTA:
Gadjah Mada University Press.
Gaya MLA
Nawawi, H.Hadari.
"Instrumen Penelitian Bidang Sosial".
YOGYAKARTA:
Gadjah Mada University Press,
1992.
Text.