Živný, S., & Jeavons, P. (2007). Expressibility of valued constraints.
Cita Chicago (17th ed.)Živný, S., i P. Jeavons. Expressibility of Valued Constraints. 2007.
Cita MLA (9th ed.)Živný, S., i P. Jeavons. Expressibility of Valued Constraints. 2007.
Atenció: Aquestes cites poden no estar 100% correctes.