Littlejohn, A. (1988). Company to company: A new approach to busines correspondence in english. Cambridge University.
Chicago-viite (17. p.)Littlejohn, Andrew. Company to Company: A New Approach to Busines Correspondence in English. Cambridge: Cambridge University, 1988.
MLA-viite (9. p.)Littlejohn, Andrew. Company to Company: A New Approach to Busines Correspondence in English. Cambridge University, 1988.
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