एपीए उद्धरण

Grant, D. (2004). Business focus: Class cassette. Oxford: Oxford university press.

शिकागो स्टाइल उद्धरण

Grant, David. Business Focus: Class Cassette. Oxford: Oxford university press, 2004.

एमएलए उद्धरण

Grant, David. Business Focus: Class Cassette. Oxford: Oxford university press, 2004.