Clegg Brian. (2004). Crash Course in Personal Development. Kogan Page.
Chicagoスタイル(17版)引用形式Clegg Brian. Crash Course in Personal Development. London: Kogan Page, 2004.
MLA(9版)引用形式Clegg Brian. Crash Course in Personal Development. Kogan Page, 2004.
警告: この引用は必ずしも正確ではありません.