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