Citazione Stile APA (7a Edizione)

Mackay, I. (2000). Listening Skills (2nd.). univeresity press.

Citazione stile Chigago Style (17a edizione)

Mackay, Ian. Listening Skills. 2nd. Hydrabad: univeresity press, 2000.

Citatione MLA (9a ed.)

Mackay, Ian. Listening Skills. 2nd. univeresity press, 2000.