FRAILEY L E. (1982). HANDBOOK OF BUSINESS LETTERS. SUPER BOOK HOUSE.
Chicago-čujuhus (17. p.)FRAILEY L E. HANDBOOK OF BUSINESS LETTERS. BOMBAY: SUPER BOOK HOUSE, 1982.
MLA-čujuhus (9. p.)FRAILEY L E. HANDBOOK OF BUSINESS LETTERS. SUPER BOOK HOUSE, 1982.
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