Cita APA (7th ed.)

Kenny, N., & Kelly, A. (2001). Ready for PET: A complete course for the Preliminary English Test (1a. ed.). MacMillan.

Cita Chicago (17th ed.)

Kenny, Nick, i Anne Kelly. Ready for PET: A Complete Course for the Preliminary English Test. 1a. ed. Oxford: MacMillan, 2001.

Cita MLA (9th ed.)

Kenny, Nick, i Anne Kelly. Ready for PET: A Complete Course for the Preliminary English Test. 1a. ed. MacMillan, 2001.