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Cyfeirlyfrau Ieithyddiaeth - Liguistics Reference
JONES, Bob Morris. Linguistic Performance and Language Background: A study of pupils in Welsh-medium schools. Aberystwyth Studies in Education. Aberystwyth: the author, 1992.
LEHMANN, Winfred P. Historical Linguistics. 3rd ed. New York: Routledge, 1992.
LYONS, John. Linguistic Semantics; An introduction. Cambridge: Cambridge University Press, 1995.
PULLMAN, Geoffrey K, and William A. Ladusaw. Phonetic Symbol Guide. Chicago: University of Chicago Press, 1986.
RICHARDS, Jack C., and John Platt and Heidi Platt. Dictionary of Language Teaching and Applied Linguistics. Harlow: Longman, 1992.
TRASK, R. L. A Dictionary of Grammatical Terms in Linguistics. New York: Routledge, 1993.
WATKINS, T Arwyn. Ieithyddiaeth: Agweddau ar Astudio Iaith. Caerdydd: Gwasg Prifysgol Cymru, 1961.