DeBono Edward. (2010). Free Mind: Lateral Thinking Approach. Jaico Publishing House.
Chicagoスタイル(17版)引用形式DeBono Edward. Free Mind: Lateral Thinking Approach. Ahmedabad: Jaico Publishing House, 2010.
MLA(9版)引用形式DeBono Edward. Free Mind: Lateral Thinking Approach. Jaico Publishing House, 2010.
警告: この引用は必ずしも正確ではありません.