Cita APA (7th ed.)

Dell, M., & Fredman, C. (1999). Direct from Dell: Strategies that revolutionized an industry. HarperBusiness.

Cita Chicago (17th ed.)

Dell, Michael, i Catherine Fredman. Direct from Dell: Strategies That Revolutionized an Industry. New York: HarperBusiness, 1999.

Cita MLA (9th ed.)

Dell, Michael, i Catherine Fredman. Direct from Dell: Strategies That Revolutionized an Industry. HarperBusiness, 1999.