Gaya APA
Nawawi, H, H.
(1992).
Instrumen penelitian bidang sosial
.
Yogyakarta:
Gajah Mada University Press.
Gaya MLA
Nawawi, H, Hadari.
"Instrumen penelitian bidang sosial".
Yogyakarta:
Gajah Mada University Press,
1992.
Printed Book.