एपीए उद्धरण

Gershon, S. (2002). English upgrade: Student book. Oxford: MacMillan.

शिकागो स्टाइल उद्धरण

Gershon, Steven. English Upgrade: Student Book. Oxford: MacMillan, 2002.

एमएलए उद्धरण

Gershon, Steven. English Upgrade: Student Book. Oxford: MacMillan, 2002.