Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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