एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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