Παραπομπή σε μορφή APA (7η εκδ.)

Hjerpe, T. (1995). High-level specification and efficient solving of constraint satisfaction problems. Computing Science Dept., Uppsala University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hjerpe, Torkel. High-level Specification and Efficient Solving of Constraint Satisfaction Problems. Uppsala: Computing Science Dept., Uppsala University, 1995.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hjerpe, Torkel. High-level Specification and Efficient Solving of Constraint Satisfaction Problems. Computing Science Dept., Uppsala University, 1995.