1. KENDLER, T. S. 1972 An ontogeny of mediational deficiency. Child Development, 43, 1-17.
2. KUENNE, M. R. 1946 Experimental investigation of transposition behavior in young children. Journal of Experimental Psychology, 36, 471-490.
3. LINDQUIST, E. F. 1956 Design and analysis of experiment in psychology and education. Boston: Houghton Mifflin.
4. MARSH, G., & SHERMAN, M. 1966 Verbal mediation of transposition as a function of age level Journal of Experimental Child Psychology, 4, 90-98.
5. REESE, H. W. 1962 Verbal mediation as a function of age level. Psychological Bulletin, 59, 502-509.