Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Erlebach, T., & Kaklamanis, C. (2007). Approximation and Online Algorithms: 4th International Workshop, WAOA 2006, Zurich, Switzerland, September 14-15, 2006. Revised Papers. Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Thomas Erlebach, και Christos Kaklamanis. Approximation and Online Algorithms: 4th International Workshop, WAOA 2006, Zurich, Switzerland, September 14-15, 2006. Revised Papers. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Approximation and Online Algorithms: 4th International Workshop, WAOA 2006, Zurich, Switzerland, September 14-15, 2006. Revised Papers. Springer Berlin Heidelberg, 2007.