Não informado. (1978). Chief executive monthly. Morgan Grampian.
Chicagoスタイル(17版)引用形式Não informado. Chief Executive Monthly. London: Morgan Grampian, 1978.
MLA(8版)引用形式Não informado. Chief Executive Monthly. Morgan Grampian, 1978.
警告: この引用は必ずしも正確ではありません.