Tohutoro APA (7th ed.)

ebrary, Inc, Hamersveld, M. v., & Bont, C. d. (2007). Market research handbook (5th ed.). John Wiley & Sons.

Tohutoru Kātū Chicago (17th ed.)

ebrary, Inc, Mario van Hamersveld, me Cees de Bont. Market Research Handbook. 5th ed. Chichester, West Sussex, England ; Hoboken, N.J..: John Wiley & Sons, 2007.

Tohutoro MLA (9th ed.)

ebrary, Inc, et al. Market Research Handbook. 5th ed. John Wiley & Sons, 2007.