Michael Duckworth, & Michael Duckworth; Kathy Gude. (1999). Countdown to first certificate: Workbook : with key and tapescripts. Oxford: Oxford University Press.
Styl ChicagoMichael Duckworth, a Michael Duckworth; Kathy Gude. Countdown to First Certificate: Workbook : With Key and Tapescripts. Oxford: Oxford University Press, 1999.
Citace podle MLAMichael Duckworth, a Michael Duckworth; Kathy Gude. Countdown to First Certificate: Workbook : With Key and Tapescripts. Oxford: Oxford University Press, 1999.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..