Morgan , D. L. (1988). Focus Groups as Qualitative Research. Sage Publications.
Chicago ZitierstilMorgan , David L. Focus Groups as Qualitative Research. Newbusy Park: Sage Publications, 1988.
MLA ZitierstilMorgan , David L. Focus Groups as Qualitative Research. Sage Publications, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.