Citazione Stile APA (7a Edizione)

Jones, L. (1984). Ideas: Speaking and listening activities for upper-intermediate students. Teacher's book (1a. ed.). Cambridge University.

Citazione stile Chigago Style (17a edizione)

Jones, Leo. Ideas: Speaking and Listening Activities for Upper-intermediate Students. Teacher's Book. 1a. ed. Cambridge: Cambridge University, 1984.

Citatione MLA (9a ed.)

Jones, Leo. Ideas: Speaking and Listening Activities for Upper-intermediate Students. Teacher's Book. 1a. ed. Cambridge University, 1984.