एपीए उद्धरण

Rafael J Engel & Russell K Schutt. (2013). The practice of research in social work. Sage.

शिकागो स्टाइल उद्धरण

Rafael J Engel और Russell K Schutt. The Practice of Research in Social Work. Los Angeles: Sage, 2013.

एमएलए उद्धरण

Rafael J Engel और Russell K Schutt. The Practice of Research in Social Work. Sage, 2013.