APA (7th ed.) Citation

Winkel, W. (1991). Psikologi Pengajaran. PT Grasindo.

Chicago Style (17th ed.) Citation

Winkel, W.S. Psikologi Pengajaran. PT Grasindo, 1991.

MLA (8th ed.) Citation

Winkel, W.S. Psikologi Pengajaran. PT Grasindo, 1991.

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