एपीए उद्धरण

Hughes, J. (2004). Business focus: Pre-Intermediate (Teacher's book). Oxford: Oxford university press.

शिकागो स्टाइल उद्धरण

Hughes, John. Business Focus: Pre-Intermediate (Teacher's Book). Oxford: Oxford university press, 2004.

एमएलए उद्धरण

Hughes, John. Business Focus: Pre-Intermediate (Teacher's Book). Oxford: Oxford university press, 2004.