Guffey, M. E. (2000). Business communication: Process and product (3rd ed.). Cincinnati: South-Western College.
シカゴスタイル引用形Guffey, Mary Ellen. Business Communication: Process and Product. 3rd ed. Cincinnati: South-Western College, 2000.
MLA引用形式Guffey, Mary Ellen. Business Communication: Process and Product. 3rd ed. Cincinnati: South-Western College, 2000.
警告: この引用は必ずしも正確ではありません.