एपीए उद्धरण

Griffiths, B. (1975). Invisible barriers to invisible trade. New York: Holmes & Meier publisher.

शिकागो स्टाइल उद्धरण

Griffiths, Brian. Invisible Barriers to Invisible Trade. New York: Holmes & Meier publisher, 1975.

एमएलए उद्धरण

Griffiths, Brian. Invisible Barriers to Invisible Trade. New York: Holmes & Meier publisher, 1975.