Cita APA (7a ed.)
Sasikumar, V., & Dutt, P. K. (2005). A Course in listening and speaking I. Foundation Book.
Cita Chicago Style (17a ed.)
Sasikumar, V., y P. Kiranmai/Rajeevan Dutt. A Course in Listening and Speaking I. Kolkata: Foundation Book, 2005.
Cita MLA (9a ed.)
Sasikumar, V., y P. Kiranmai/Rajeevan Dutt. A Course in Listening and Speaking I. Foundation Book, 2005.
Precaución: Estas citas no son 100% exactas.