APA citiranje

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.

Trích dẫn kiểu Chicago

Đặng 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.

MLA citiranje

Đặng 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.