1. Fishman, Joshua A. 1991. Reversing language shift. Clevedon: Multilingual Matters.
2. Flege, James E. 1988. The production and perception of speech sounds in a foreign language. In Human communication and its disorders: A review 1988, ed. Harris Winitz, 224–401. Norwood, NJ: Ablex.
3. Flege, James E. 1990. The intelligibility of English vowels spoken by British and Dutch talkers. In Intelligibility in speech disorders: Theory, measurement, and management, ed. Raymond D. Kent, 157–232. Amsterdam: John Benjamins.
4. Flege, James E. 1991. Age learning effects the authenticity of voice-onset time (VOT) in stop consonants produced in a second language. The Journal of the Acoustical Society of America 85: 395–411.
5. Flege, James E. 1995. The phonetic study of bilingualism. In European studies in phonetics and speech communication, ed. Gerrit Bloothooft, Valerie Hazan, Dieter Huber, and Joaquim Llisterri, 98–103. Utrecht: OTS Publications.