American Psychological Association 6th edition

Apt, K. R. [ca. 2003]. Principles of constraint programming [Book]. Cambridge [u.a.]: Cambridge Univ. Press.

ISO-690 (author-date, English)

APT, Krzysztof R., 2003. Principles of constraint programming. Cambridge [u.a.]: Cambridge Univ. Press. ISBN 0521825830.

Modern Language Association 9th edition

Apt, K. R. Principles of constraint programming. book, Cambridge Univ. Press, 2003.

Mohr Siebeck - Recht (Deutsch - Österreich)

Apt, Krzysztof R.: Principles of constraint programming, Cambridge [u.a.] 2003.

Emerald - Harvard

Apt, K.R. (2003), Principles of constraint programming, Vol. , Cambridge Univ. Press, Cambridge [u.a.].

Warning: These citations may not always be 100% accurate.