Gaya APA
Nawawi, H., Hadari, H, M. (2000).
Instrumen Penelitian Bidang Sosial-Cet III .
Yogyakarta:
Gadjah Mada University Perss.
Gaya MLA
Nawawi, Hadari., Hadari, HM, Martini.
"Instrumen Penelitian Bidang Sosial-Cet III".
Yogyakarta:
Gadjah Mada University Perss,
2000.
Text.