Thomas, A. (2005). Business goals: Workbook. Cambridge, UK: Cambridge University Press.
Chicago Style aipamenaThomas, Amanda. Business Goals: Workbook. Cambridge, UK: Cambridge University Press, 2005.
MLA aipamenaThomas, Amanda. Business Goals: Workbook. Cambridge, UK: Cambridge University Press, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.