एपीए उद्धरण

Palmer, A. (2005). Principles of services marketing. London, UK: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Palmer, Adrian. Principles of Services Marketing. London, UK: McGraw-Hill, 2005.

एमएलए उद्धरण

Palmer, Adrian. Principles of Services Marketing. London, UK: McGraw-Hill, 2005.