Richards, J. C. (2006). Person to Person: Communicative speaking and listening skills : Test booklet 1 (3rd ed.). Oxford: Oxford Univ. Press.
Stile di citazione ChicagoRichards, Jack C. Person to Person: Communicative Speaking and Listening Skills : Test Booklet 1. 3rd ed. Oxford: Oxford Univ. Press, 2006.
Citazione MLARichards, Jack C. Person to Person: Communicative Speaking and Listening Skills : Test Booklet 1. 3rd ed. Oxford: Oxford Univ. Press, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.