Holbert, N. B., & Speece, M. W. (1993). Practical marketing research: An integrated global perspective. Prentice Hall.
Čikaški stil citiranja (17. izdanje)Holbert, Neil Bruce, i Mark W. Speece. Practical Marketing Research: An Integrated Global Perspective. New York: Prentice Hall, 1993.
MLA način citiranja (9. izdanje)Holbert, Neil Bruce, i Mark W. Speece. Practical Marketing Research: An Integrated Global Perspective. Prentice Hall, 1993.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.