Booch, G., Rumbaugh, J., & Jacobson, I. (1999). The unified modeling language user guide. Addison-Wesley.
Dyfyniad Arddull ChicagoBooch, Grady, James Rumbaugh, and Ivar Jacobson. The Unified Modeling Language User Guide. Reading Mass.: Addison-Wesley, 1999.
Dyfyniad MLABooch, Grady, et al. The Unified Modeling Language User Guide. Addison-Wesley, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.