एपीए उद्धरण

Helen Powell. (2013). Promotional Culture and Convergence: Markets,methods,media. Routledge.

शिकागो स्टाइल उद्धरण

Helen Powell. Promotional Culture and Convergence: Markets,methods,media. Oxon: Routledge, 2013.

एमएलए उद्धरण

Helen Powell. Promotional Culture and Convergence: Markets,methods,media. Routledge, 2013.