Glaser, Robert; Gow Jr., J. Steele (November 1964). "The learning research and development center at the University of Pittsburgh". American Psychologist. 19 (11). American Psychological Association: 854–858. doi:10.1037/h0043111. ISSN0003-066X.
Alberts, Robert C. (1986). ""The Creative Eye"". Pitt: The Story of the University of Pittsburgh 1787–1987. University of Pittsburgh Press. pp. 374–375. ISBN0-8229-1150-7. Retrieved December 8, 2010.
Alberts, Robert C. (1986). "1976: The Turning Point". Pitt: The Story of the University of Pittsburgh 1787–1987. University of Pittsburgh Press. pp. 403–404. ISBN0-8229-1150-7. Retrieved December 8, 2010.
Glaser, Robert; Gow Jr., J. Steele (November 1964). "The learning research and development center at the University of Pittsburgh". American Psychologist. 19 (11). American Psychological Association: 854–858. doi:10.1037/h0043111. ISSN0003-066X.