एपीए उद्धरण

Sasikumar, V., & Dutt, P. K. G. R. (2006). Course in listening and spaeking I (Rev.ed.). Foundation Books.

शिकागो स्टाइल उद्धरण

Sasikumar, V., और P. Kiranmai Geetha Rajeevan Dutt. Course in Listening and Spaeking I. Rev.ed. Bangalore: Foundation Books, 2006.

एमएलए उद्धरण

Sasikumar, V., और P. Kiranmai Geetha Rajeevan Dutt. Course in Listening and Spaeking I. Rev.ed. Foundation Books, 2006.