APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.