"Some phoneticians claim that there are two distinct as in French, but evidence from speaker to speaker and sometimes within the speech of a single speaker is too contradictory to give empirical support to this claim".Casagrande (1984:20) Casagrande, Jean (1984), The Sound System of French, Washington, DC: Georgetown University Press, ISBN978-0-87840-085-0
"For example, some have the front [a] in casse 'breaks', and the back [ɑ] in tasse 'cup', but for others the reverse is true. There are also, of course, those who use the same vowel, either [a] or [ɑ], in both words".Tranel (1987:48) Tranel, Bernard (1987), The Sounds of French: An Introduction, Cambridge, New York: Cambridge University Press, ISBN978-0-521-31510-4
Adams (1975), p. 288. Adams, Douglas Q. (1975), "The Distribution of Retracted Sibilants in Medieval Europe", Language, 51 (2): 282–292, doi:10.2307/412855, JSTOR412855
Wells (1989), p. 44. Wells, J.C. (1989), "Computer-Coded Phonemic Notation of Individual Languages of the European Community", Journal of the International Phonetic Association, 19 (1): 31–54, doi:10.1017/S0025100300005892, S2CID145148170
Anderson (1982), p. 537. Anderson, Stephen R. (1982), "The Analysis of French Shwa: Or, How to Get Something for Nothing", Language, 58 (3): 534–573, doi:10.2307/413848, JSTOR413848
Anderson (1982), pp. 544–46. Anderson, Stephen R. (1982), "The Analysis of French Shwa: Or, How to Get Something for Nothing", Language, 58 (3): 534–573, doi:10.2307/413848, JSTOR413848
Adams (1975), p. 288. Adams, Douglas Q. (1975), "The Distribution of Retracted Sibilants in Medieval Europe", Language, 51 (2): 282–292, doi:10.2307/412855, JSTOR412855
Anderson (1982), p. 537. Anderson, Stephen R. (1982), "The Analysis of French Shwa: Or, How to Get Something for Nothing", Language, 58 (3): 534–573, doi:10.2307/413848, JSTOR413848
Anderson (1982), pp. 544–46. Anderson, Stephen R. (1982), "The Analysis of French Shwa: Or, How to Get Something for Nothing", Language, 58 (3): 534–573, doi:10.2307/413848, JSTOR413848
Wells (1989), p. 44. Wells, J.C. (1989), "Computer-Coded Phonemic Notation of Individual Languages of the European Community", Journal of the International Phonetic Association, 19 (1): 31–54, doi:10.1017/S0025100300005892, S2CID145148170
"For example, some have the front [a] in casse 'breaks', and the back [ɑ] in tasse 'cup', but for others the reverse is true. There are also, of course, those who use the same vowel, either [a] or [ɑ], in both words".Tranel (1987:48) Tranel, Bernard (1987), The Sounds of French: An Introduction, Cambridge, New York: Cambridge University Press, ISBN978-0-521-31510-4