Lua APA (7ú heag.)
Littlejohn, A. (1994). Comapany to company: A new approach to business correspondence in english (2nd ed.). CUP.
Lua i Stíl Chicago (17ú heag.)
Littlejohn, Andrew. Comapany to Company: A New Approach to Business Correspondence in English. 2nd ed. Cambridge: CUP, 1994.
Lua MLA (9ú heag.)
Littlejohn, Andrew. Comapany to Company: A New Approach to Business Correspondence in English. 2nd ed. CUP, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.