Jones, L., & Kimbrough, V. Great ideas: Listening speaking activities for students of american english (2a ed.).
Citazione stile Chigago Style (17a edizione)Jones, Leo, e Victoria Kimbrough. Great Ideas: Listening Speaking Activities for Students of American English. 2a ed.
Citatione MLA (8a ed.)Jones, Leo, e Victoria Kimbrough. Great Ideas: Listening Speaking Activities for Students of American English. 2a ed.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.