Madhukar, R. (2012). Business Commuincation (2nd.). Vikas Publishing House.
Čikaški stil citiranja (17. izdanje)Madhukar, R.K. Business Commuincation. 2nd. Noida: Vikas Publishing House, 2012.
MLA način citiranja (9. izdanje)Madhukar, R.K. Business Commuincation. 2nd. Vikas Publishing House, 2012.
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