Block, Jack.The Q-Sort Method in Personality Assessment and Psychiatric Research. Springfield, Illinois: Bannerston House, Charles C. Thomas, Publisher, 1961.
2.
Gould, Roger. "The Phases of Adult Life: A Study in Developmental Psychology." American Journal of Psychiatry,129 (November, 1972) 521-531.
3.
Hall, Calvin, and Lindzey, Gardner.Theories of Personality. New York: Wiley, 1957.
4.
Kendall, Maurice G. RankCorrelational Methods. 2nd ed. New York: Hafner Publishing Company, 1955.
5.
Landon, E. Laird, Jr. "Self Concept, Ideal Self Concept, and Consumer Purchase Intentions," Journal of Consumer Research, 1 (September, 1974), 44-51.
6.
Martin, Warren S. "College Students and Product Symbolism," unpublished doctoral dissertation , University of Texas, 1972.
7.
Maslow, Abraham H. "Some Basic Propositions of a Growth and Self-Actualization Psychology ," in Perceiving, Behaving, Becoming: A New Focus in Education. Yearbook of Association for Supervision and Curriculum Development, Washington, D. C., 1962.
8.
O'Brien, Terrence V., et al. "Self Concept and Consumer Behavior," unpublished paper, University of Arizona, April 1972.
9.
Rogers, Carl R.Client Centered Therapy: Its Current Practice, Implications and Theory. Boston: Houghton, 1951.
10.
Snygg, D., and Combs, A.Individual Behavior. New York: Harper and Row, 1959.
11.
Summers, George W. "The Coefficient of Concordance and the Q-Sort Technique." Decision Sciences, 6 (January, 1975), 37-41.
12.
Tapia Sanchez, Humberto. "Concepts of Self and Their Relationships to Motivational Components of Buyer Behavior," unpublished doctoral dissertation, University of Arizona, 1974.
