ebrary, Inc, & Carson, D. (2001). Qualitative marketing research. SAGE.
芝加哥风格引文ebrary, Inc, 与 David Carson. Qualitative Marketing Research. London ; Thousand Oaks, Calif.: SAGE, 2001.
MLA引文ebrary, Inc, 与 David Carson. Qualitative Marketing Research. SAGE, 2001.
警告:这些引文格式不一定是100%准确.