APA Citatie

(1997). Karel ++: A gentle introduction to the art of object-oriented programming. New York: John Wiley and Sons, Inc.

Chicago Style citaat

Karel ++: A Gentle Introduction to the Art of Object-oriented Programming. New York: John Wiley and Sons, Inc, 1997.

MLA citatie

Karel ++: A Gentle Introduction to the Art of Object-oriented Programming. New York: John Wiley and Sons, Inc, 1997.

Let op: Deze citaties zijn niet altijd 100% accuraat.