Friedman, D. P., Wand, M., & Haynes, C. T. (1998). Essentials of programming languages. Prntice Hall.
Dyfyniad Arddull ChicagoFriedman, Daniel P., Mitchell Wand, and Christopher T. Haynes. Essentials of Programming Languages. New Delhi: Prntice Hall, 1998.
Dyfyniad MLAFriedman, Daniel P., et al. Essentials of Programming Languages. Prntice Hall, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.