Association for Educational and Training Technology. (1984). PLET: Programmed learning and educational technology : journal of the Association of Educational and Training Technology. Kogan Page.
Cita Chicago (17th ed.)Association for Educational and Training Technology. PLET: Programmed Learning and Educational Technology : Journal of the Association of Educational and Training Technology. London: Kogan Page, 1984.
Cita MLA (9th ed.)Association for Educational and Training Technology. PLET: Programmed Learning and Educational Technology : Journal of the Association of Educational and Training Technology. Kogan Page, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.