Celce-Murcia, M., Brinton, D., & Goodwin, J. (1996).  Teaching pronunciation:  A reference for teachers of English to   speakers of other languages.  New York:  Cambridge University Press.  (This is a "must-have" volume).

Dalton, C., & Seidlhofer, B.  (1994).  Pronunciation.  New York:  Oxford U. Press.  (also a professional reference text)

Wong, R.  (1986).  Teaching Pronunciation: Focus on English Rhythm and Intonation.  Englewood Cliffs, N.J.: Prentice   Hall.  ["out of print" though easily available through ERIC/Center for Applied Linguistics.  ISBN 0-13-895095-4].