Winkel, W. (1987). Psikologi Pengajaran. Gramedia.
Chicago Style CitationWinkel, W.S. Psikologi Pengajaran. Gramedia, 1987.
MLA CitationWinkel, W.S. Psikologi Pengajaran. Gramedia, 1987.
Warning: These citations may not always be 100% accurate.
APA Citation