Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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