Stevens, R. E. .. a. (2000). The marketing research guide. Viva books.
Citación estilo ChicagoStevens, Robert E. ...[et al]. The Marketing Research Guide. New Delhi: Viva books, 2000.
Cita MLAStevens, Robert E. ...[et al]. The Marketing Research Guide. Viva books, 2000.
Warning: These citations may not always be 100% accurate.