Rijn, P. P. v., Cofer, C. N., & Hermanson, R. H. (1975). Programmed learning aid for thinking and conceptual behavior. Learning Systems Company.
Citação norma ChicagoRijn, Paul P. van, Charles N. Cofer, and Roger H. Hermanson. Programmed Learning Aid for Thinking and Conceptual Behavior. Homewod, Illinois: Learning Systems Company, 1975.
Citação norma MLARijn, Paul P. van, et al. Programmed Learning Aid for Thinking and Conceptual Behavior. Learning Systems Company, 1975.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.