Style de citation APA (7e éd.)

Littlejohn, A. Company to company. A communicative aproach to business correspondence in english. student´s book (3a ed.).

Style de citation Chicago (17e éd.)

Littlejohn, Andrew. Company to Company. A Communicative Aproach to Business Correspondence in English. Student´s Book. 3a ed.

Style de citation MLA (8e éd.)

Littlejohn, Andrew. Company to Company. A Communicative Aproach to Business Correspondence in English. Student´s Book. 3a ed.