SpringerLink (Online service), Poli, R., Nordin, P., Langdon, W. B., & Fogarty, T. C. (1999). Genetic Programming: Second European Workshop, EuroGP'99, Göteborg, Sweden, May 26-27, 1999, Proceedings (1st ed. 1999.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-48885-5
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Riccardo Poli, Peter Nordin, William B. Langdon, και Terence C. Fogarty. Genetic Programming: Second European Workshop, EuroGP'99, Göteborg, Sweden, May 26-27, 1999, Proceedings. 1st ed. 1999. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/3-540-48885-5.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Genetic Programming: Second European Workshop, EuroGP'99, Göteborg, Sweden, May 26-27, 1999, Proceedings. 1st ed. 1999. Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/3-540-48885-5.
