SpringerLink (Online service), Verdonschot, P. F. M., Wang, H., Pinder, A., & Nijboer, R. (2006). Aquatic Oligochaete Biology IX: Selected Papers from the 9th Symposium on Aquatic Oligochaeta, 6–10 October 2003, Wageningen, The Netherlands. Springer Netherlands.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Piet F. M. Verdonschot, Hongzhe Wang, Adrian Pinder, και Rebi Nijboer. Aquatic Oligochaete Biology IX: Selected Papers from the 9th Symposium on Aquatic Oligochaeta, 6–10 October 2003, Wageningen, The Netherlands. Dordrecht: Springer Netherlands, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Aquatic Oligochaete Biology IX: Selected Papers from the 9th Symposium on Aquatic Oligochaeta, 6–10 October 2003, Wageningen, The Netherlands. Springer Netherlands, 2006.
