Thornbury, S. (2002). How to teach grammar (1st ed., 4th impression.). Pearson Education.
Cita Chicago Style (17a ed.)Thornbury, Scott. How to Teach Grammar. 1st ed., 4th impression. Harlow: Pearson Education, 2002.
Cita MLA (9a ed.)Thornbury, Scott. How to Teach Grammar. 1st ed., 4th impression. Pearson Education, 2002.
Precaución: Estas citas no son 100% exactas.