एपीए उद्धरण

Ratnesh, K. (1999). World Trade Organisation: Structure, functions, tasks and challenges. Deep & Deep.

शिकागो स्टाइल उद्धरण

Ratnesh, Kumar. World Trade Organisation: Structure, Functions, Tasks and Challenges. New Delhi: Deep & Deep, 1999.

एमएलए उद्धरण

Ratnesh, Kumar. World Trade Organisation: Structure, Functions, Tasks and Challenges. Deep & Deep, 1999.