Morgan, D. L. (1997). Focus groups as qualitative research (2nd edition.). Sage Publications.
Chicagoスタイル(17版)引用形式Morgan, David L. Focus Groups as Qualitative Research. 2nd edition. Thousand Oaks, California: Sage Publications, 1997.
MLA(9版)引用形式Morgan, David L. Focus Groups as Qualitative Research. 2nd edition. Sage Publications, 1997.
警告: この引用は必ずしも正確ではありません.