Anastasi, A.Psychological Testing. Second edition. New York: Macmillan, 1961.
2.
Combs, A.W.The Professional Education of Teachers: A Perceptual View of Teacher Preparation . Boston, Mass. : Allyn and Bacon , 1965.
3.
Combs, A.W. , and others. Florida Studies in the Helping Professions. Gainesville: University of Florida Press, 1969.
4.
Cronbach, L.J. "Correlations Between Persons as a Research Tool." Psychotherapy: Theory and Research. (Edited by O. H. Mowrer.) New York: Ronald Press, 1953.
5.
Ellena, W. J.; Stevenson, M.; and Webb, H. V., editors. Who's a Good Teacher? Washington, D.C. : American Association of School Administrators, National Education Association, 1961.
6.
Gage, N.L. "Logical Versus Empirical Scoring Keys: The Case of the MTAI." Journal of Educational Psychology48: 213-16; April 1957 .
7.
Getzels, J.W. , and Jackson, P.W. "The Teacher's Personality and Characteristics." Handbook of Research on Teaching. (Edited by N. L. Gage.) Chicago, Ill.: Rand-McNally, 1963.
8.
Gooding, C.T., and Wilbur, P.H.Teacher Perception Q Sort. Oswego, N.Y.: State University of New York, 1970.
9.
Kerlinger, F.N.Foundations of Behavioral Research: Educational and Psychological Inquiry . New York: Holt, Rinehart and Winston , 1964.
10.
Mowrer, O.H. "Q Technique." Psychotherapy: Theory and Research. (Edited by O. H. Mowrer.) New York: Ronald Press, 1953.
11.
Stephenson, W.The Study of Behavior: Q Technique and Its Methodology. Chicago, Ill.: University of Chicago Press , 1953.
12.
Wilbur, P.H. ; Gooding, C.T.; and Vincent, R.A. "Adapting Q Technique to Computer Scoring Procedures." Educational and Psychological Measurement30: 169-70; Spring 1970.