APA(7版)引用形式
Guffey, M. E. (1998). Essentials of business communication (4th ed.). South-Western College Pub..
Chicagoスタイル(17版)引用形式
Guffey, Mary Ellen. Essentials of Business Communication. 4th ed. Cincinnati, Ohio: South-Western College Pub., 1998.
MLA(9版)引用形式
Guffey, Mary Ellen. Essentials of Business Communication. 4th ed. South-Western College Pub., 1998.
警告: この引用は必ずしも正確ではありません.