एपीए उद्धरण

Poplin, D. E. (1972). Communities: A survey of theories and methods of research.

शिकागो स्टाइल उद्धरण

Poplin, Dennis E. Communities: A Survey of Theories and Methods of Research. 1972.

एमएलए उद्धरण

Poplin, Dennis E. Communities: A Survey of Theories and Methods of Research. 1972.