Fry, E. B. (1963). Teaching machines and programmed instruction: An introduction. McGraw-Hill.
Chicago Style (17th ed.) CitationFry, Edward B. Teaching Machines and Programmed Instruction: An Introduction. New York: McGraw-Hill, 1963.
MLA (8th ed.) CitationFry, Edward B. Teaching Machines and Programmed Instruction: An Introduction. McGraw-Hill, 1963.
Warning: These citations may not always be 100% accurate.