Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Creignou, N., Kolaitis, P. G., & Vollmer, H. (2008). Complexity of Constraints: An Overview of Current Research Themes. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Nadia Creignou, Phokion G. Kolaitis, και Heribert Vollmer. Complexity of Constraints: An Overview of Current Research Themes. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Complexity of Constraints: An Overview of Current Research Themes. Springer Berlin Heidelberg : Imprint: Springer, 2008.