APA引用形式

Guffey, M. E. (1999). Business English (6th ed.). Cincinnati, Ohio: South-Western College.

シカゴスタイル引用形

Guffey, Mary Ellen. Business English. 6th ed. Cincinnati, Ohio: South-Western College, 1999.

MLA引用形式

Guffey, Mary Ellen. Business English. 6th ed. Cincinnati, Ohio: South-Western College, 1999.

警告: この引用は必ずしも正確ではありません.