1. Atkinson, R. C., & Shiffrin, R. M. Human memory: A proposed system and its control processes. In K. V. Spence & J. T. Spence (Eds.), The psychology of learning and motivation (Vol 2). New York: Academic Press, 1968.
2. Barker, L. M. Building memories for foods. In L. M. Barker, (Ed.), The psychobiology of human food selection. Westport, Conn: AVI, 1982.
3. Crowder, R. G. Visual and auditory memory. In J. F. Kavanaugh & I. G. Mattingly (Eds.), Language by ear and by eye: The relationships between speech and reading. Cambridge, Mass: M.I.T. Press, 1972.
4. Guilford, J. P.
Psychometric methods. New York: Academic Press, 1954.
5. Koehler, W. Zur Theorie des Sukzessivvergleichs and der Zeitfehler. Psychologische Forschung, 1923, 4, 115–175. (as cited in J. P. Guilford, Psychometric methods. New York: Academic Press, 1954.)