(en) A. P. Elkin, « Review of Australian English: An Historical Study of the Vocabulary, 1788-1898 by W. S. Ramson », Oceania Publications, University of Sydney, vol. 37, no 4, , p. 318–319 (JSTOR40329620)
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(en) « billabong », Dictionary.com, Dictionary.com, LLC, (consulté le )