APA-viite (7. p.)

Bulatov, A., Jeavons, P., & Krokhin, A. (2005). Classifying the complexity of constraints using finite algebras.

Chicago-viite (17. p.)

Bulatov, A., P. Jeavons, ja A. Krokhin. Classifying the Complexity of Constraints Using Finite Algebras. 2005.

MLA-viite (9. p.)

Bulatov, A., et al. Classifying the Complexity of Constraints Using Finite Algebras. 2005.