Cita APA (7a ed.)
Payne, T. E. (2011). Understanding english grammar: <a> linguistic introduction. Cambridge University Press.
Cita Chicago Style (17a ed.)
Payne, Thomas E. Understanding English Grammar: <a> Linguistic Introduction. Cambridge: Cambridge University Press, 2011.
Cita MLA (9a ed.)
Payne, Thomas E. Understanding English Grammar: <a> Linguistic Introduction. Cambridge University Press, 2011.
Precaución: Estas citas no son 100% exactas.