Silalahi, U. (2012). Metode penelitian sosial. Refika Aditama.
Chicago Style (17th ed.) CitationSilalahi, Ulber. Metode Penelitian Sosial. Refika Aditama, 2012.
MLA (8th ed.) CitationSilalahi, Ulber. Metode Penelitian Sosial. Refika Aditama, 2012.
Warning: These citations may not always be 100% accurate.