Gaya APA

Bachtiar, H, W. (1976). Directori of social scientists in Indonesia / Harsya W. Bachtiar . : Project Information Center.

Gaya MLA

Bachtiar, Harsya, W. "Directori of social scientists in Indonesia / Harsya W. Bachtiar". : Project Information Center, 1976. Tadris Ilmu Pengetahuan Alam.