Usman, H., & Usman, H. (2001). Metodologi penelitian sosial/Husaini Usman,Purnomo setiady akbar. Bumi Aksara.
Chicago Style (17th ed.) CitationUsman, Husaini, and Husaini Usman. Metodologi Penelitian Sosial/Husaini Usman,Purnomo Setiady Akbar. Bumi Aksara, 2001.
MLA (8th ed.) CitationUsman, Husaini, and Husaini Usman. Metodologi Penelitian Sosial/Husaini Usman,Purnomo Setiady Akbar. Bumi Aksara, 2001.
Warning: These citations may not always be 100% accurate.