Gaya APA
Nawawi, H.
(1995).
Instrumen penelitian bidang sosial
(
1)
.
Yogyakarta:
Gajah Mada University Press.
Gaya MLA
Nawawi, Hadari.
"Instrumen penelitian bidang sosial".
1
Yogyakarta:
Gajah Mada University Press,
1995.
Text.