Holbert, N. B., & Speece, M. W. (1993). Practical Marketing Research: An Integrated Global Perspective. New York: Prentice-Hall.
Trích dẫn kiểu ChicagoHolbert, Neil Bruce, và Mark W. Speece. Practical Marketing Research: An Integrated Global Perspective. New York: Prentice-Hall, 1993.
Deismireacht MLAHolbert, Neil Bruce, và Mark W. Speece. Practical Marketing Research: An Integrated Global Perspective. New York: Prentice-Hall, 1993.
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