Cita APA (7a ed.)

Willis, R. J. (1987). Computer models for business decisions. John Wiley & sons.

Cita Chicago Style (17a ed.)

Willis, Robert J. Computer Models for Business Decisions. New York [etc.]: John Wiley & sons, 1987.

Cita MLA (9a ed.)

Willis, Robert J. Computer Models for Business Decisions. John Wiley & sons, 1987.