एपीए उद्धरण

Levenstein, A. Why people work: Changing incentives in a troubled world.

शिकागो स्टाइल उद्धरण

Levenstein, Aaron. Why People Work: Changing Incentives in a Troubled World.

एमएलए उद्धरण

Levenstein, Aaron. Why People Work: Changing Incentives in a Troubled World.