W.S, W. (1996). Psikologi Pengajaran. Universitas Sanata Dharma.
Chicago Style (17th ed.) CitationW.S, Winkel. Psikologi Pengajaran. Universitas Sanata Dharma, 1996.
MLA (8th ed.) CitationW.S, Winkel. Psikologi Pengajaran. Universitas Sanata Dharma, 1996.
Warning: These citations may not always be 100% accurate.