Taylor, L. (2010). International express: Intermediate student's book workbook module b1 (New edition.). Orxford University Press.
Cita Chicago (17th ed.)Taylor, Liz. International Express: Intermediate Student's Book Workbook Module B1. New edition. New York: Orxford University Press, 2010.
Cita MLA (9th ed.)Taylor, Liz. International Express: Intermediate Student's Book Workbook Module B1. New edition. Orxford University Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.