APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.