1. Prosodic Systems and Intonation in English;Crystal,1969
2. Intonation and Grammar in British English;Halliday,1967
3. Intonation of Colloquial English;O’Connor,1973
4. J. Pierrehumbert, The Phonology and Phonetics of English Intonation, Ph.D. Dissertation, MIT Press, Cambridge, MA, 1980.
5. Outlines of English Structure;Trager,1951