Akbar, P. S., & Usman, H. (2004). Metodologi penelitian sosial. Bumi Aksara.
Chicago Style (17th ed.) CitationAkbar, Purnomo Setiady, and Husain Usman. Metodologi Penelitian Sosial. Bumi Aksara, 2004.
MLA (8th ed.) CitationAkbar, Purnomo Setiady, and Husain Usman. Metodologi Penelitian Sosial. Bumi Aksara, 2004.
Warning: These citations may not always be 100% accurate.