Singarimbun, M. Pedoman praktis membuat usulan penelitian / Masri Singarimbun. Ghalia Indonesiac1984.
Chicago Style (17th ed.) CitationSingarimbun, Masri. Pedoman Praktis Membuat Usulan Penelitian / Masri Singarimbun. Ghalia Indonesiac1984.
MLA (8th ed.) CitationSingarimbun, Masri. Pedoman Praktis Membuat Usulan Penelitian / Masri Singarimbun. Ghalia Indonesiac1984.
Warning: These citations may not always be 100% accurate.