SpringerLink (Online service) & Nadathur, G. (1999). Principles and Practice of Declarative Programming: International Conference, PPDP'99, Paris, France, September, 29 - October 1, 1999, Proceedings (1st ed. 1999.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/10704567
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service) και Gopalan Nadathur. Principles and Practice of Declarative Programming: International Conference, PPDP'99, Paris, France, September, 29 - October 1, 1999, Proceedings. 1st ed. 1999. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/10704567.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service) και Gopalan Nadathur. Principles and Practice of Declarative Programming: International Conference, PPDP'99, Paris, France, September, 29 - October 1, 1999, Proceedings. 1st ed. 1999. Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/10704567.
