Cita APA (7th ed.)

Bulatov, A., & Jeavons, P. (2000). Tractable constraints closed under a binary operation. Oxford University Computing Laboratory.

Cita Chicago (17th ed.)

Bulatov, A., i P. Jeavons. Tractable Constraints Closed Under a Binary Operation. Oxford University Computing Laboratory, 2000.

Cita MLA (9th ed.)

Bulatov, A., i P. Jeavons. Tractable Constraints Closed Under a Binary Operation. Oxford University Computing Laboratory, 2000.