Thomas, A. (1970). A practical English grammer (2nd.). O U P.
Citación estilo ChicagoThomas, A. A Practical English Grammer. 2nd. London: O U P, 1970.
Cita MLAThomas, A. A Practical English Grammer. 2nd. O U P, 1970.
Warning: These citations may not always be 100% accurate.