KALE & AHMED. (2012). INTRODUCTION TO BUSINESS & SERVICE SECTOR. VIPUL PRAKASHAN.
Čikaški stil citiranja (17. izdanje)KALE & AHMED. INTRODUCTION TO BUSINESS & SERVICE SECTOR. MUMBAI: VIPUL PRAKASHAN, 2012.
MLA način citiranja (9. izdanje)KALE & AHMED. INTRODUCTION TO BUSINESS & SERVICE SECTOR. VIPUL PRAKASHAN, 2012.
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