एपीए उद्धरण

Morgan , D. L. (1988). Focus Groups as Qualitative Research. Sage Publications.

शिकागो स्टाइल उद्धरण

Morgan , David L. Focus Groups as Qualitative Research. Newbusy Park: Sage Publications, 1988.

एमएलए उद्धरण

Morgan , David L. Focus Groups as Qualitative Research. Sage Publications, 1988.