Phillips, B. (1977). Effective business communications. Delmar Pub.
Chicagoスタイル(17版)引用形式Phillips, Bonnie. Effective Business Communications. NULL: Delmar Pub, 1977.
MLA(9版)引用形式Phillips, Bonnie. Effective Business Communications. Delmar Pub, 1977.
警告: この引用は必ずしも正確ではありません.