Lewis, G. (1999). Successful creativity in a week. Hodder & Stoughton.
Chicagoスタイル(17版)引用形式Lewis, Gareth. Successful Creativity in a Week. London: Hodder & Stoughton, 1999.
MLA(8版)引用形式Lewis, Gareth. Successful Creativity in a Week. Hodder & Stoughton, 1999.
警告: この引用は必ずしも正確ではありません.