एपीए उद्धरण

Northen, H., & Kurland, R. (2001). Social work with groups. New York: Columbia University Press.

शिकागो स्टाइल उद्धरण

Northen, Helen, और Roselle Kurland. Social Work With Groups. New York: Columbia University Press, 2001.

एमएलए उद्धरण

Northen, Helen, और Roselle Kurland. Social Work With Groups. New York: Columbia University Press, 2001.