Marshall, C., & Rossman, G. B. (1990). Designing qualitative research (4. print.). Sage.
Chicago Style (17th ed.) CitationMarshall, Catherine, and Gretchen B. Rossman. Designing Qualitative Research. 4. print. Newbury Park [u.a.]: Sage, 1990.
MLA (8th ed.) CitationMarshall, Catherine, and Gretchen B. Rossman. Designing Qualitative Research. 4. print. Sage, 1990.
Warning: These citations may not always be 100% accurate.