एपीए उद्धरण

Ratnesh , . K. (2002). WTO (Worl Trade Organisation): Structure , functions , tasks and challenges. Deep and Deep publishing.

शिकागो स्टाइल उद्धरण

Ratnesh , Kumar. WTO (Worl Trade Organisation): Structure , Functions , Tasks and Challenges. New Delhi: Deep and Deep publishing, 2002.

एमएलए उद्धरण

Ratnesh , Kumar. WTO (Worl Trade Organisation): Structure , Functions , Tasks and Challenges. Deep and Deep publishing, 2002.