Thornbury, S. (2005). Uncovering grammar (1st published 2001, this ed. 2005.). MacMillan.
Cita Chicago Style (17a ed.)Thornbury, Scott. Uncovering Grammar. 1st published 2001, this ed. 2005. Oxford: MacMillan, 2005.
Cita MLA (9a ed.)Thornbury, Scott. Uncovering Grammar. 1st published 2001, this ed. 2005. MacMillan, 2005.
Precaución: Estas citas no son 100% exactas.