APA-viite (7. p.)
Littlejohn, A. (1994). Comapany to company: A new approach to business correspondence in english (2nd ed.). CUP.
Chicago-viite (17. p.)
Littlejohn, Andrew. Comapany to Company: A New Approach to Business Correspondence in English. 2nd ed. Cambridge: CUP, 1994.
MLA-viite (9. p.)
Littlejohn, Andrew. Comapany to Company: A New Approach to Business Correspondence in English. 2nd ed. CUP, 1994.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.