KARNIK , M. (1977). COMPREHENSIVE BUSINESS COMMUNICATION. ORIENT LONGMAN.
Lua i Stíl Chicago (17ú heag.)KARNIK , METHA,OTHERS. COMPREHENSIVE BUSINESS COMMUNICATION. BOMBAY: ORIENT LONGMAN, 1977.
Lua MLA (9ú heag.)KARNIK , METHA,OTHERS. COMPREHENSIVE BUSINESS COMMUNICATION. ORIENT LONGMAN, 1977.
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