APA Citation

Hadari Nawawi, H., & Martini Hadari, H. Instrumen Penelitian Bidang Sosial. Yogyakarta: Gadjah Mada University Press.

Chicago Style Citation

Hadari Nawawi, H., and H.M Martini Hadari. Instrumen Penelitian Bidang Sosial. Yogyakarta: Gadjah Mada University Press.

MLA Citation

Hadari Nawawi, H., and H.M Martini Hadari. Instrumen Penelitian Bidang Sosial. Yogyakarta: Gadjah Mada University Press.

Warning: These citations may not always be 100% accurate.