APA استشهاد

Holbert, N. B., & Speece, M. W. (1993). Practical Marketing Research: An Integrated Global Perspective. New York: Prentice-Hall.

استشهاد بنمط شيكاغو

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

MLA استشهاد

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

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.