Cita APA (7th ed.)
ebrary, Inc, Hamersveld, M. v., & Bont, C. d. (2007). Market research handbook (5th ed.). John Wiley & Sons.
Cita Chicago (17th ed.)
ebrary, Inc, Mario van Hamersveld, i Cees de Bont. Market Research Handbook. 5th ed. Chichester, West Sussex, England ; Hoboken, N.J..: John Wiley & Sons, 2007.
Cita MLA (9th ed.)
ebrary, Inc, et al. Market Research Handbook. 5th ed. John Wiley & Sons, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.