APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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