Spivey, M. (1996). An Introduction To Logic Programming Through Prolog Micahel Spivey. Prentice-Hall.
Chicago-viite (17. p.)Spivey, Michael. An Introduction To Logic Programming Through Prolog Micahel Spivey. Prentice-Hall, 1996.
MLA-viite (8. p.)Spivey, Michael. An Introduction To Logic Programming Through Prolog Micahel Spivey. Prentice-Hall, 1996.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.