Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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