Fletcher, M., & Buss, J. (1983). Supplement: Authentic integrated material for advanced students. Hodder and Stoughton.
Cita Chicago (17th ed.)Fletcher, Mark, i John Buss. Supplement: Authentic Integrated Material for Advanced Students. Londres: Hodder and Stoughton, 1983.
Cita MLA (9th ed.)Fletcher, Mark, i John Buss. Supplement: Authentic Integrated Material for Advanced Students. Hodder and Stoughton, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.