SpringerLink (Online service), Richtler, T., & Larsen, S. (2009). Globular Clusters - Guides to Galaxies: Proceedings of the Joint ESO-FONDAP Workshop on Globular Clusters held in Concepción, Chile, 6–10 March 2006. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Tom Richtler, και Søren Larsen. Globular Clusters - Guides to Galaxies: Proceedings of the Joint ESO-FONDAP Workshop on Globular Clusters Held in Concepción, Chile, 6–10 March 2006. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Globular Clusters - Guides to Galaxies: Proceedings of the Joint ESO-FONDAP Workshop on Globular Clusters Held in Concepción, Chile, 6–10 March 2006. Springer Berlin Heidelberg, 2009.
