APA (7th ed.) Citation

Winkel, W. (1987). Psikologi Pengajaran/ W.S. Winkel. Jakarta: Gramedia.

Chicago Style (17th ed.) Citation

Winkel, W.S. Psikologi Pengajaran/ W.S. Winkel. Jakarta: Gramedia, 1987.

MLA (8th ed.) Citation

Winkel, W.S. Psikologi Pengajaran/ W.S. Winkel. Jakarta: Gramedia, 1987.

Warning: These citations may not always be 100% accurate.