Cita APA (7th ed.)

ebrary, Inc, & Carson, D. (2001). Qualitative marketing research. SAGE.

Cita Chicago (17th ed.)

ebrary, Inc, i David Carson. Qualitative Marketing Research. London ; Thousand Oaks, Calif.: SAGE, 2001.

Cita MLA (9th ed.)

ebrary, Inc, i David Carson. Qualitative Marketing Research. SAGE, 2001.