Cita APA (7th ed.)

Kay, S., & Jones, V. (2001). Inside out: Student's book, upper intermediate. MacMillan Heinemann English language Teaching.

Cita Chicago (17th ed.)

Kay, Sue, i Vaughan Jones. Inside Out: Student's Book, Upper Intermediate. Oxford: MacMillan Heinemann English language Teaching, 2001.

Cita MLA (9th ed.)

Kay, Sue, i Vaughan Jones. Inside Out: Student's Book, Upper Intermediate. MacMillan Heinemann English language Teaching, 2001.