Association for Programmed Learning and Educational Technology, Hills, P. J., Gilbert, J., & Budgett, R. E. B. (1977). The spread of educational technology. Kogan Page.
Chicago Style (17th ed.) CitationAssociation for Programmed Learning and Educational Technology, P. J. Hills, John Gilbert, and R. E. B. Budgett. The Spread of Educational Technology. London: Kogan Page, 1977.
MLA (8th ed.) CitationAssociation for Programmed Learning and Educational Technology, et al. The Spread of Educational Technology. Kogan Page, 1977.
Warning: These citations may not always be 100% accurate.