Kay S. Sue & Jones V. Vaughan. (2000). Inside Out. Intermediate: Student's Book. Oxford, Macmillan, 2000.
Cita Chicago (17th ed.)Kay S. Sue i Jones V. Vaughan. Inside Out. Intermediate: Student's Book. Oxford, Macmillan, 2000, 2000.
Cita MLA (9th ed.)Kay S. Sue i Jones V. Vaughan. Inside Out. Intermediate: Student's Book. Oxford, Macmillan, 2000, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.