Dyfyniad APA

Chang, Y., & Sullivan, R. S. (1989). QSB +: Quantitative systems for business plus. Prentice-Hall.

Dyfyniad Arddull Chicago

Chang, Yih-Long, and Robert S. Sullivan. QSB +: Quantitative Systems for Business Plus. Englewood Cliffs: Prentice-Hall, 1989.

Dyfyniad MLA

Chang, Yih-Long, and Robert S. Sullivan. QSB +: Quantitative Systems for Business Plus. Prentice-Hall, 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.