Não informado. (1992). Professional Manager. Institute of Management Foundation.
Chicagoスタイル(17版)引用形式Não informado. Professional Manager. London: Institute of Management Foundation, 1992.
MLA(8版)引用形式Não informado. Professional Manager. Institute of Management Foundation, 1992.
警告: この引用は必ずしも正確ではありません.