Gagne, E. D., Yekovich, C. W., & Yekovich, F. R. (1993). The cognitive psychology of school learning (2nd ed.). HarperCollins College Publishers.
Цитирование в стиле Чикаго (17-е изд.)Gagne, Ellen D., Carol Walker Yekovich, и Frank R. Yekovich. The Cognitive Psychology of School Learning. 2nd ed. New York: HarperCollins College Publishers, 1993.
Цитирование MLA (9-е изд.)Gagne, Ellen D., et al. The Cognitive Psychology of School Learning. 2nd ed. HarperCollins College Publishers, 1993.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.