MM. (1991). Essentials Of Business Communication / Mary Ellen Guffey. PWS-Kent Publishing.
Chicagoスタイル(17版)引用形式MM. Essentials Of Business Communication / Mary Ellen Guffey. PWS-Kent Publishing, 1991.
MLA(8版)引用形式MM. Essentials Of Business Communication / Mary Ellen Guffey. PWS-Kent Publishing, 1991.
警告: この引用は必ずしも正確ではありません.