Cita APA (7th ed.)

Lipsey, M. W., & Brayfield, A. H. (1975). Programmed learning aid for the profession of psychology. Learning Systems.

Cita Chicago (17th ed.)

Lipsey, Mark W., i Arthur H. Brayfield. Programmed Learning Aid for the Profession of Psychology. Homewood, Ill: Learning Systems, 1975.

Cita MLA (9th ed.)

Lipsey, Mark W., i Arthur H. Brayfield. Programmed Learning Aid for the Profession of Psychology. Learning Systems, 1975.