Usman Khalid. (2005). Authentic Voices of south Asia. South Asia.
Chicago Style (17th ed.) ZitazioaUsman Khalid. Authentic Voices of South Asia. London: South Asia, 2005.
MLA (9th ed.) ZitazioaUsman Khalid. Authentic Voices of South Asia. South Asia, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.