SpringerLink (Online service), Grahne, G., & Ghelli, G. (2002). Database Programming Languages: 8th International Workshop, DBPL 2001, Frascati, Italy, September 8-10, 2001. Revised Papers (1st ed. 2002.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-46093-4
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Gosta Grahne, και Giorgia Ghelli. Database Programming Languages: 8th International Workshop, DBPL 2001, Frascati, Italy, September 8-10, 2001. Revised Papers. 1st ed. 2002. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2002. https://doi.org/10.1007/3-540-46093-4.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Database Programming Languages: 8th International Workshop, DBPL 2001, Frascati, Italy, September 8-10, 2001. Revised Papers. 1st ed. 2002. Springer Berlin Heidelberg : Imprint: Springer, 2002. https://doi.org/10.1007/3-540-46093-4.
