SpringerLink (Online service), Wieringa, R., & Persson, A. (2010). Requirements Engineering: Foundation for Software Quality: 16th International Working Conference, REFSQ 2010, Essen, Germany, June 30–July 2, 2010. Proceedings. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Roel Wieringa, και Anne Persson. Requirements Engineering: Foundation for Software Quality: 16th International Working Conference, REFSQ 2010, Essen, Germany, June 30–July 2, 2010. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Requirements Engineering: Foundation for Software Quality: 16th International Working Conference, REFSQ 2010, Essen, Germany, June 30–July 2, 2010. Proceedings. Springer Berlin Heidelberg, 2010.
