Gartside , L. (1992). Model business letters (ELBS) (4th.). Pitman.
Chicago-čujuhus (17. p.)Gartside , L. Model Business Letters (ELBS). 4th. London: Pitman, 1992.
MLA-čujuhus (9. p.)Gartside , L. Model Business Letters (ELBS). 4th. Pitman, 1992.
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