Davies, P. A., & Paul A. Davies; Simon Greenall. (2001). All stars: Upper-intermediate Workbook. Oxford: Oxford University Press.
Chicago Style aipamenaDavies, Paul A., và Paul A. Davies; Simon Greenall. All Stars: Upper-intermediate Workbook. Oxford: Oxford University Press, 2001.
MLA aipamenaDavies, Paul A., và Paul A. Davies; Simon Greenall. All Stars: Upper-intermediate Workbook. Oxford: Oxford University Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.