APA
Hussain S. (., .Acoustic analysis of English vowel sounds produced by Sindhi Speakers with CD. Islamabad: Department of English, Faculty of Social Sciences (Air University Main Campus).
Chicago
Hussain Shahid (171414), .Acoustic analysis of English vowel sounds produced by Sindhi Speakers with CD. Islamabad: Department of English, Faculty of Social Sciences (Air University Main Campus).
Harvard
Hussain S. (., .Acoustic analysis of English vowel sounds produced by Sindhi Speakers with CD. Islamabad: Department of English, Faculty of Social Sciences (Air University Main Campus).
MLA
Hussain Shahid (171414), .Islamabad: Department of English, Faculty of Social Sciences (Air University Main Campus). .