^Jones, Daniel, Peter Roach; James Hartman; Jane Setter , 编, English Pronouncing Dictionary, Cambridge: Cambridge University Press, 2003 [1917], ISBN 3-12-539683-2
^Major Divisions. Subcommission on Quaternary Stratigraphy. International Commission on Stratigraphy. [25 September 2019]. (原始内容存档于2020-01-19).