APA (7th ed.) Zitazioa
Littlejohn, A. (1994). Comapany to company: A new approach to business correspondence in english (2nd ed.). CUP.
Chicago Style (17th ed.) Zitazioa
Littlejohn, Andrew. Comapany to Company: A New Approach to Business Correspondence in English. 2nd ed. Cambridge: CUP, 1994.
MLA (9th ed.) Zitazioa
Littlejohn, Andrew. Comapany to Company: A New Approach to Business Correspondence in English. 2nd ed. CUP, 1994.
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