Kay, S., & Jones, V. (2001). Inside out: Student's book, upper intermediate. MacMillan Heinemann English language Teaching.
Citazione stile Chigago Style (17a edizione)Kay, Sue, e Vaughan Jones. Inside Out: Student's Book, Upper Intermediate. Oxford: MacMillan Heinemann English language Teaching, 2001.
Citatione MLA (9a ed.)Kay, Sue, e Vaughan Jones. Inside Out: Student's Book, Upper Intermediate. MacMillan Heinemann English language Teaching, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.