Yusuf, S. (2009). Program BK di Sekolah. Rizqi.
Chicago Style (17th ed.) CitationYusuf, Syamsu. Program BK Di Sekolah. Rizqi, 2009.
MLA (8th ed.) CitationYusuf, Syamsu. Program BK Di Sekolah. Rizqi, 2009.
Warning: These citations may not always be 100% accurate.