Holbert, N. B., & Speece, M. W. (1993). Practical marketing research: An integrated global perspective. Prentice Hall.
Chicago Style (17. basım) AtıfHolbert, Neil Bruce, ve Mark W. Speece. Practical Marketing Research: An Integrated Global Perspective. New York: Prentice Hall, 1993.
MLA (9th ed.) AtıfHolbert, Neil Bruce, ve Mark W. Speece. Practical Marketing Research: An Integrated Global Perspective. Prentice Hall, 1993.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..