Williams , F. (1983). Executive communication power. Prentice-Hall.
Chicagoスタイル(17版)引用形式Williams , Frederick. Executive Communication Power. New Jersey: Prentice-Hall, 1983.
MLA(9版)引用形式Williams , Frederick. Executive Communication Power. Prentice-Hall, 1983.
警告: この引用は必ずしも正確ではありません.