Welsh phonology :
selected readings /
edited by Martin J. Ball and Glyn E. Jones.

APA Citation

Jones, G. E., Ball, M. J. (Martin John). (1984). Welsh phonology: selected readings. Cardiff: University of Wales Press.

MLA Citation

Jones, Glyn E, and Martin J. (Martin John) Ball. Welsh Phonology: Selected Readings. Cardiff: University of Wales Press, 1984.

Warning: These citations may not always be complete (especially for serials).