Calì, A., Gottlob, G., Lukasiewicz, T., Pieris, A., & Moor, O. (2010). Datalog+/-: A Family of Languages for Ontology Querying. Springer.
Chicago-čujuhus (17. p.)Calì, A., G. Gottlob, T. Lukasiewicz, A. Pieris, juo O. Moor. Datalog+/-: A Family of Languages for Ontology Querying. Springer, 2010.
MLA-čujuhus (9. p.)Calì, A., et al. Datalog+/-: A Family of Languages for Ontology Querying. Springer, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.