L G Alexander. (1995). For and against (Avanced speaking practice). Tp. HCM: Thế Giới.
Dyfyniad Arddull ChicagoL G Alexander. For and against (Avanced Speaking Practice). Tp. HCM: Thế Giới, 1995.
Dyfyniad MLAL G Alexander. For and against (Avanced Speaking Practice). Tp. HCM: Thế Giới, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.