APA (7th ed.) Citation

Chang, Y., & Sullivan, R. S. (1991). QSB+: Quantitative system for business plus, version 2.0. Prentice-Hall.

Chicago Style (17th ed.) Citation

Chang, Yih-Long, and Robert S. Sullivan. QSB+: Quantitative System for Business Plus, Version 2.0. Englewood Cliffs, NJ: Prentice-Hall, 1991.

MLA (9th ed.) Citation

Chang, Yih-Long, and Robert S. Sullivan. QSB+: Quantitative System for Business Plus, Version 2.0. Prentice-Hall, 1991.