SpringerLink (Online service), Williams, I., & Thomas, N. (2001). Solar and Extra-Solar Planetary Systems: Lectures Held at the Astrophysics School XI Organized by the European Astrophysics Doctoral Network (EADN) in The Burren, Ballyvaughn, Ireland, 7-18 September 1998 (1st ed. 2001.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-44807-1
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), I.P Williams, και N. Thomas. Solar and Extra-Solar Planetary Systems: Lectures Held at the Astrophysics School XI Organized by the European Astrophysics Doctoral Network (EADN) in The Burren, Ballyvaughn, Ireland, 7-18 September 1998. 1st ed. 2001. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-44807-1.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Solar and Extra-Solar Planetary Systems: Lectures Held at the Astrophysics School XI Organized by the European Astrophysics Doctoral Network (EADN) in The Burren, Ballyvaughn, Ireland, 7-18 September 1998. 1st ed. 2001. Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-44807-1.
