Cita APA (7th ed.)

Holbert, N. B., & Speece, M. W. (1993). Practical marketing research: An integrated global perspective. Prentice Hall.

Cita Chicago (17th ed.)

Holbert, Neil Bruce, i Mark W. Speece. Practical Marketing Research: An Integrated Global Perspective. New York: Prentice Hall, 1993.

Cita MLA (9th ed.)

Holbert, Neil Bruce, i Mark W. Speece. Practical Marketing Research: An Integrated Global Perspective. Prentice Hall, 1993.