Zikmund, W. G., & Babin, B. J. Essentials of marketing research (4th ed.).
Citación estilo ChicagoZikmund, William G., and Barry J. Babin. Essentials of Marketing Research. 4th ed.
Cita MLAZikmund, William G., and Barry J. Babin. Essentials of Marketing Research. 4th ed.
Warning: These citations may not always be 100% accurate.