Hartley, J. (1972). Strategies for programmed instruction : an educational technology / edited by James Hartley: An educational technology. Butterworths.
Chicago Style (17th ed.) CitationHartley, James. Strategies for Programmed Instruction : An Educational Technology / Edited by James Hartley: An Educational Technology. Butterworths, 1972.
MLA (9th ed.) CitationHartley, James. Strategies for Programmed Instruction : An Educational Technology / Edited by James Hartley: An Educational Technology. Butterworths, 1972.
Warning: These citations may not always be 100% accurate.