S.J, W. W. (2014). Psikologi Pengajaran. Sketsa.
Chicago Style (17th ed.) CitationS.J, W.S. Winkel. Psikologi Pengajaran. Sketsa, 2014.
MLA (8th ed.) CitationS.J, W.S. Winkel. Psikologi Pengajaran. Sketsa, 2014.
Warning: These citations may not always be 100% accurate.