APA-čujuhus (7. p.)

MCCOMAS D C. (1993). MODERN BUSINESS CORRESPONDENCE (6TH.). MACMILLAN.

Chicago-čujuhus (17. p.)

MCCOMAS D C. MODERN BUSINESS CORRESPONDENCE. 6TH. U.S.A: MACMILLAN, 1993.

MLA-čujuhus (9. p.)

MCCOMAS D C. MODERN BUSINESS CORRESPONDENCE. 6TH. MACMILLAN, 1993.

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