Sitepu, B. (2014). Pengembangan Sumber Belajar. Raja Geafindo Persada.
Chicago Style (17th ed.) CitationSitepu, B.P. Pengembangan Sumber Belajar. Raja Geafindo Persada, 2014.
MLA (8th ed.) CitationSitepu, B.P. Pengembangan Sumber Belajar. Raja Geafindo Persada, 2014.
Warning: These citations may not always be 100% accurate.