एपीए उद्धरण

Nunan, D. (2005). Go for it ! 2: Student book. Boston, MA: Thomson Heinle.

शिकागो स्टाइल उद्धरण

Nunan, David. Go for It ! 2: Student Book. Boston, MA: Thomson Heinle, 2005.

एमएलए उद्धरण

Nunan, David. Go for It ! 2: Student Book. Boston, MA: Thomson Heinle, 2005.