Wilkinson, S. (2000). Let's go: Workbook (2nd ed.). Oxford: Oxford University Press.
Chicago Style aipamenaWilkinson, Steve. Let's Go: Workbook. 2nd ed. Oxford: Oxford University Press, 2000.
MLA aipamenaWilkinson, Steve. Let's Go: Workbook. 2nd ed. Oxford: Oxford University Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.