(en) Einar Haugen, Blessings of Babel : Bilingualism and Language Planning. Problems and Pleasures, Berlin, New York, Amsterdam, Mouton de Gruyter, coll. « Contributions to the Sociology of Language » (no 46), (ISBN0-89925-226-5 et 3-11-011080-6), p. 65 [lire en ligne].
doi.org
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(en) Gary Price, « A skeptic’s review of the New SI », Accreditation and Quality Assurance, vol. 16, no 3, , p. 121–132 (DOI10.1007/s00769-010-0738-x).