Churchill, G. A. (2001). Basic marketing research. Mason, OH: Thomson/South Western.
Chicago Style aipamenaChurchill, Gilbert A. Basic Marketing Research. Mason, OH: Thomson/South Western, 2001.
MLA aipamenaChurchill, Gilbert A. Basic Marketing Research. Mason, OH: Thomson/South Western, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.