Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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