European Symposium on Programming Lisbon, Portugal, International Joint Conference on Theory and Practice of Software Development, & Hankin, C. (1998). Programming languages and systems: 7th European Symposium on Programming, ESOP '98 held part of the Joint European Conferences on Theory and Practice of Software ETAPS '98, Lisbon, Portugal, March 28-April 4, 1996 : proceedings. Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)European Symposium on Programming Lisbon, Portugal, International Joint Conference on Theory and Practice of Software Development, και Chris Hankin. Programming Languages and Systems: 7th European Symposium on Programming, ESOP '98 Held Part of the Joint European Conferences on Theory and Practice of Software ETAPS '98, Lisbon, Portugal, March 28-April 4, 1996 : Proceedings. Berlin: Springer, 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)European Symposium on Programming Lisbon, Portugal, et al. Programming Languages and Systems: 7th European Symposium on Programming, ESOP '98 Held Part of the Joint European Conferences on Theory and Practice of Software ETAPS '98, Lisbon, Portugal, March 28-April 4, 1996 : Proceedings. Springer, 1998.