APA-referens (7:e uppl.)
Lustig, I. J., & Puget, J. (Nov/Dec 2001). Program does not equal program: Constraint programming and its relationship to mathematical programming. Interfaces.
Chicago-referens (17:e uppl.)
Lustig, Irvin J., och Jean-Francois Puget. "Program Does Not Equal Program: Constraint Programming and Its Relationship to Mathematical Programming." Interfaces Nov/Dec 2001.
MLA-referens (9:e uppl.)
Lustig, Irvin J., och Jean-Francois Puget. "Program Does Not Equal Program: Constraint Programming and Its Relationship to Mathematical Programming." Interfaces, Nov/Dec 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.