Gaya APA
Nawawi, H.
(2012).
Metode Penelitian Bidang Sosial
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Nawawi, Hadari.
"Metode Penelitian Bidang Sosial".
Yogyakarta:
Gadjah Mada University Press,
2012.
Text.