Editing Cosmic distance ladder (section)

==Bibliography==
*{{cite book |last1=Carroll |first1=Bradley W. |last2=Ostlie |first2=Dale A. |date=2014 |title=An Introduction to Modern Astrophysics |location=Harlow, United Kingdom |publisher=[[Pearson Education Limited]] |isbn=978-1-292-02293-2}}
*''Measuring the Universe The Cosmological Distance Ladder'', Stephen Webb, copyright 2001.
*{{cite book |last1=Pasachoff |first1=J.M. |author-link1=Jay Pasachoff |last2=Filippenko |first2=A. |author-link2=Alexei Filippenko |title=The Cosmos: Astronomy in the New Millennium |url=https://books.google.com/books?id=tZsoAAAAQBAJ |edition=4th |year=2013 |publisher=Cambridge University Press |location=Cambridge |isbn=978-1-107-68756-1}}
*''The Astrophysical Journal'', ''The Globular Cluster Luminosity Function as a Distance Indicator: Dynamical Effects'', Ostriker and Gnedin, May 5, 1997.
*''An Introduction to Distance Measurement in Astronomy'', Richard de Grijs, Chichester: John Wiley & Sons, 2011, {{ISBN|978-0-470-51180-0}}.