Steven J. Haggbloom, Renee Warnick, Jason E. Warnick, Vinessa K. Jones, Gary L. Yarbrough, Tenea M. Russell, Chris M. Borecky, Reagan McGahhey, John L., III Powell, Jamie Beavers e Emmanuelle Monte, The 100 most eminent psychologists of the 20th century, in Review of General Psychology, vol. 6, n. 2, 2002, pp. 139–152, DOI:10.1037/1089-2680.6.2.139.
Endel Tulving, Cue-Dependent Forgetting: When we forget something we once knew, it does not necessarily mean that the memory trace has been lost; it may only be inaccessible, in American Scientist, vol. 62, n. 1, 1974, pp. 74–82, JSTOR27844717.
Steven J. Haggbloom, Renee Warnick, Jason E. Warnick, Vinessa K. Jones, Gary L. Yarbrough, Tenea M. Russell, Chris M. Borecky, Reagan McGahhey, John L., III Powell, Jamie Beavers e Emmanuelle Monte, The 100 most eminent psychologists of the 20th century, in Review of General Psychology, vol. 6, n. 2, 2002, pp. 139–152, DOI:10.1037/1089-2680.6.2.139.