APA Style
NAWAWI, H., Hadari, M, M. (1995).
Instrumen Penelitian Bidang Sosial .
Yogyakarta:
Gadjah Mada University Press.
MLA Style
NAWAWI, HADARI., Hadari, M., Martini.
"Instrumen Penelitian Bidang Sosial".
Yogyakarta:
Gadjah Mada University Press,
1995.
Text.