Martin, R. (1963). Practical speech for Modern Business. Century coffe.
Chicagoスタイル(17版)引用形式Martin, Robinson. Practical Speech for Modern Business. Appleton: Century coffe, 1963.
MLA(9版)引用形式Martin, Robinson. Practical Speech for Modern Business. Century coffe, 1963.
警告: この引用は必ずしも正確ではありません.