एपीए उद्धरण

Jeny Mary Koshy. (2007). A study on market penetration of value added serviced world calling card of Health. School of Management Studies.

शिकागो स्टाइल उद्धरण

Jeny Mary Koshy. A Study on Market Penetration of Value Added Serviced World Calling Card of Health. Kochi: School of Management Studies, 2007.

एमएलए उद्धरण

Jeny Mary Koshy. A Study on Market Penetration of Value Added Serviced World Calling Card of Health. School of Management Studies, 2007.