References
- Bolgar , H. 1956 . Symposium: Validity aspects of multiple projective techniques in child research . Paper read at meeting of the American Psychological Assiciation . 1956 , Chicago.
- Shontz , F. C. 1965 . Research methods in personality , New York : Appleton-Century-Crofts .
- Sigel , I. 1960 . “ The application of projective techniques in research with children ” . In Projective techniques with children , Edited by: Rabin , A. I. and Haworth , M. R. 350 – 363 . New York : Grune & Stratton .