Sayre, S. (2001). Qualitative methods for marketplace research Shay Sayre. Sage.
Chicago Style aipamenaSayre, Shay. Qualitative Methods for Marketplace Research Shay Sayre. Sage, 2001.
MLA aipamenaSayre, Shay. Qualitative Methods for Marketplace Research Shay Sayre. Sage, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.