Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.