Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.