APA-referens

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

Chicago-stil citat

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

MLA-referens

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

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