Ellis, J. L., & Blank, S. S. (1985). Creative problem solving in every classroom. Department of Educational Psychology and Special Education.
Chicago Style (17. basım) AtıfEllis, Julie L., ve Stanley S. Blank. Creative Problem Solving in Every Classroom. British Columbia, CAN: Department of Educational Psychology and Special Education, 1985.
MLA (9th ed.) AtıfEllis, Julie L., ve Stanley S. Blank. Creative Problem Solving in Every Classroom. Department of Educational Psychology and Special Education, 1985.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..