एपीए उद्धरण

Nakkiran, S. (2004). Business process outsourcing (BPO): Concept, current trends, management, future challenges. Deep & Deep Publications Pvt. Ltd.

शिकागो स्टाइल उद्धरण

Nakkiran, S. Business Process Outsourcing (BPO): Concept, Current Trends, Management, Future Challenges. New Delhi: Deep & Deep Publications Pvt. Ltd, 2004.

एमएलए उद्धरण

Nakkiran, S. Business Process Outsourcing (BPO): Concept, Current Trends, Management, Future Challenges. Deep & Deep Publications Pvt. Ltd, 2004.