APA (7. basım) Alıntı

Ryan, M. P. (1975). Programmed learning aid for person perception. Learning Systems.

Chicago Style (17. basım) Atıf

Ryan, Michael P. Programmed Learning Aid for Person Perception. Homewood, Ill: Learning Systems, 1975.

MLA (9th ed.) Atıf

Ryan, Michael P. Programmed Learning Aid for Person Perception. Learning Systems, 1975.