एपीए उद्धरण

Rick Riordan. Percy Jackson and the lightning thief. Penguin India.

शिकागो स्टाइल उद्धरण

Rick Riordan. Percy Jackson and the Lightning Thief. Penguin India.

एमएलए उद्धरण

Rick Riordan. Percy Jackson and the Lightning Thief. Penguin India.