Đặng Thị Dương. (2011). An investigation into the pronunciation of three pairs of English vowel sounds /I/ and /I: /, and /u:/performed by the first-year student’s at Danang college of foreign language.
Dyfyniad Arddull ChicagoĐặng Thị Dương. An Investigation Into the Pronunciation of Three Pairs of English Vowel Sounds /I/ and /I: /, and /u:/performed By the First-year Student’s At Danang College of Foreign Language. 2011.
Dyfyniad MLAĐặng Thị Dương. An Investigation Into the Pronunciation of Three Pairs of English Vowel Sounds /I/ and /I: /, and /u:/performed By the First-year Student’s At Danang College of Foreign Language. 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.