Παραπομπή σε μορφή APA (7η εκδ.)

Littlejohn, A. (1988). Company to company: A new approach to business correspondence in English : student's book. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Littlejohn, Andrew. Company to Company: A New Approach to Business Correspondence in English : Student's Book. Cambridge : New York: Cambridge University Press, 1988.

Παραπομπή σε μορφή MLA (9th εκδ.)

Littlejohn, Andrew. Company to Company: A New Approach to Business Correspondence in English : Student's Book. Cambridge University Press, 1988.