نام کتاب : دراسات في علم اللغة نویسنده : كمال بشر جلد : 1 صفحه : 335
32- Firth, J.R: Papers in Linguistics, "Oxford University Press, 1967".
33- Gairdner, W.H.T: The Phonetics of Arabic, "Oxford University Press,1925".
34- Heffner, R.M.S: General Phonetics "The University of Wisconsim Press 1960".
35- Hass, W: Zero in linguisitcs "Studies in Linguistic analysis, special vol. of the Philological Society. 1957, pp. 33-53".
36- Robins, R.H: General Linguistics: An Introductory Suvey Longmans, Green & Co. Ltd. 1964".
37- Wright, W: A Grammar of the Arabic Language, translated from the German of Caspari, "third ed., Cambridge University Press, 1951".
نام کتاب : دراسات في علم اللغة نویسنده : كمال بشر جلد : 1 صفحه : 335