एपीए उद्धरण

Powell, S. (1999). Returning to study: A guide for professionals. Buckingham: Open University Press.

शिकागो स्टाइल उद्धरण

Powell, Stuart. Returning to Study: A Guide for Professionals. Buckingham: Open University Press, 1999.

एमएलए उद्धरण

Powell, Stuart. Returning to Study: A Guide for Professionals. Buckingham: Open University Press, 1999.