Gaya APA
Nawawi, H., Hadari, M, M. (1992).
Instrument Penelitian Bidang Sosial (-1).
Yogyakarta:
Gajah Mada University Press.
Gaya MLA
Nawawi, Hadari., Hadari, M., Martini.
"Instrument Penelitian Bidang Sosial".
-1
Yogyakarta:
Gajah Mada University Press,
1992.
Text.