Ellis, J. L., & Blank, S. S. (1985). Creative problem solving in every classroom. Department of Educational Psychology and Special Education.
Цитирование в стиле Чикаго (17-е изд.)Ellis, Julie L., и Stanley S. Blank. Creative Problem Solving in Every Classroom. British Columbia, CAN: Department of Educational Psychology and Special Education, 1985.
Цитирование MLA (9-е изд.)Ellis, Julie L., и Stanley S. Blank. Creative Problem Solving in Every Classroom. Department of Educational Psychology and Special Education, 1985.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.