Gaya APA
Nawawi, H, H.
(2007).
Metode Penelitian Bidang Sosial
.
Yogyakarta:
Gajah Mada University Press..
Gaya MLA
Nawawi, H., Hadari.
"Metode Penelitian Bidang Sosial".
Yogyakarta:
Gajah Mada University Press.,
2007.
Book.