एपीए उद्धरण

Gast, N. (2010). Perfect phrases for ESL: Everyday business life. Chicago: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Gast, Natalie. Perfect Phrases for ESL: Everyday Business Life. Chicago: McGraw-Hill, 2010.

एमएलए उद्धरण

Gast, Natalie. Perfect Phrases for ESL: Everyday Business Life. Chicago: McGraw-Hill, 2010.