King, F. W., Ann Cree, D., & O'gorman, D. (1983). English business letters. Commercial correspondence for foreign students (2nd ed. 4th impression.). Longman.
Citácia podle Chicago (17th ed.)King, F. W., D. Ann Cree, a D. O'gorman. English Business Letters. Commercial Correspondence for Foreign Students. 2nd ed. 4th impression. Harlow: Longman, 1983.
Citácia podľa MLA (8th ed.)King, F. W., et al. English Business Letters. Commercial Correspondence for Foreign Students. 2nd ed. 4th impression. Longman, 1983.
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