References

1. Abercrombie, D
   , Elements of General Phonetics, Edinburgh University Press: Edinburgh 1967.
   [Google Scholar]
2. Dekeyser, X and Patricia D Scott Sheldon
   , An Introduction to the Articulation of the RP Phonemes, De Nederlandsche Boekhandel : Antwerpen 1974.
   [Google Scholar]
3. De Groot, A W
   , «Phonetics and Aesthetics» in B Malmberg (ed) Manual of Phonetics, North-Holland Publishers : Amsterdam 1970.
   [Google Scholar]
4. Gimson, A C
   , «Phonetic Change and the RP Vowel» in D Abercrombie , et al. (eds) In Honour of Daniel Jones, Longmans : London 1964 An Introduction to the Pronunciation of English, Edward Arnold : London 19702.
   [Google Scholar]
5. Halliday, M A K , A Macintosh and P Strevens
   , The Linguistic Sciences and Language Teaching, Longmans : London 1968 (New Imp.).
   [Google Scholar]
6. Hultzen, Lee S
   , «Pronunciation» inThe Encyclopaedia Britannica, Vol.18, William Benton Publisher : Chicago 1968 14, p.622.
   [Google Scholar]
7. Jones, Daniel
   , English Pronouncing Dictionary, A C Gimson (ed) Dent Dutton : London13 1972.
   [Google Scholar]
8. Ladefoget, Peter N
   , «Phonetics» inThe Encyclopaedia Britannica, Macropaedia Vol.14, Helen Hemingway Benton Publisher : Chicago 1974 15, p 275.
   [Google Scholar]