APA-viite (7. p.)
Jürgen Dix, L. M. P. Logic Programming and Knowledge Representation: Third International Workshop, LPKR'97, Port Jefferson, New York, USA, October 17, 1997, Selected Papers. Springer.
Chicago-viite (17. p.)
Jürgen Dix, Luís Moniz Pereira. Logic Programming and Knowledge Representation: Third International Workshop, LPKR'97, Port Jefferson, New York, USA, October 17, 1997, Selected Papers. Berlín, Alemania: Springer.
MLA-viite (9. p.)
Jürgen Dix, Luís Moniz Pereira. Logic Programming and Knowledge Representation: Third International Workshop, LPKR'97, Port Jefferson, New York, USA, October 17, 1997, Selected Papers. Springer.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.