Frailey, L. (1982). Handbook of business letters (2nd.). Super book house.
Chicagoスタイル(17版)引用形式Frailey, L. Handbook of Business Letters. 2nd. Bombay: Super book house, 1982.
MLA(9版)引用形式Frailey, L. Handbook of Business Letters. 2nd. Super book house, 1982.
警告: この引用は必ずしも正確ではありません.