एपीए उद्धरण

Charles L Harper. (2010). Exploring social change: America and the world. Prentice-Hall.

शिकागो स्टाइल उद्धरण

Charles L Harper. Exploring Social Change: America and the World. New Jersey: Prentice-Hall, 2010.

एमएलए उद्धरण

Charles L Harper. Exploring Social Change: America and the World. Prentice-Hall, 2010.