KING, F., & CREE, D. A. (1986). English business letters: Commercial correspondence forforeign students.--Ed. New. Longman.
Chicago-viite (17. p.)KING, F.W, ja D. Ann CREE. English Business Letters: Commercial Correspondence Forforeign Students.--Ed. New. England: Longman, 1986.
MLA-viite (9. p.)KING, F.W, ja D. Ann CREE. English Business Letters: Commercial Correspondence Forforeign Students.--Ed. New. Longman, 1986.
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