Gaya APA
Nawawi, H., Hadari, M, M. (1992).
Instrumen penelitian bidang sosial (Cet.1).
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Nawawi, Hadari., Hadari, M., Martini.
"Instrumen penelitian bidang sosial".
Cet.1
Yogyakarta:
Gadjah Mada University Press,
1992.
Text.