Wells, J. C. . .., & Colson, G. . .. Practical phonetics. Pitman Publishing.
Chicago Edition CitationWells, J C ., and Greta Colson. Practical Phonetics. Kenya: Pitman Publishing.
MLA Edition CitationWells, J C ., and Greta Colson. Practical Phonetics. Pitman Publishing.
Warning: These citations may not always be 100% accurate.