SpringerLink (Online service) & Jul, E. (1998). ECOOP '98 - Object-Oriented Programming: 12th European Conference, Brussels, Belgium, July 20-24, 1998, Proceedings (1st ed. 1998.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/BFb0054083
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service) και Eric Jul. ECOOP '98 - Object-Oriented Programming: 12th European Conference, Brussels, Belgium, July 20-24, 1998, Proceedings. 1st ed. 1998. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1998. https://doi.org/10.1007/BFb0054083.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service) και Eric Jul. ECOOP '98 - Object-Oriented Programming: 12th European Conference, Brussels, Belgium, July 20-24, 1998, Proceedings. 1st ed. 1998. Springer Berlin Heidelberg : Imprint: Springer, 1998. https://doi.org/10.1007/BFb0054083.
