Quirk, R., & Greenbaum, S. (1978). A university grammar of English. [Harlow]: Longman.
Dyfyniad Arddull ChicagoQuirk, Randolph., và Sidney Greenbaum. A University Grammar of English. [Harlow]: Longman, 1978.
Dyfyniad MLAQuirk, Randolph., và Sidney Greenbaum. A University Grammar of English. [Harlow]: Longman, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.