एपीए उद्धरण

(2005). Discover American: An integrated skills text for intermediate. D.C.: U.S. Information Agency.

शिकागो स्टाइल उद्धरण

Discover American: An Integrated Skills Text for Intermediate. D.C.: U.S. Information Agency, 2005.

एमएलए उद्धरण

Discover American: An Integrated Skills Text for Intermediate. D.C.: U.S. Information Agency, 2005.