Strickland, B. B. The Gale Encyclopedia of Psychology. Michigan: Gale
Group, 2007.
Watson, J. B. Psychological Care of Infant and Child. New York: W. W.
Norton Company, Inc., 1928.
Strickland, B. B. The Gale Encyclopedia of Psychology. Michigan: Gale
Group, 2007.
Watson, J. B. Psychological Care of Infant and Child. New York: W. W.
Norton Company, Inc., 1928.