APA način citiranja

Duckworth, M. (1996). Open doors: Workbook 3. Oxford: Oxford University Press.

Čikaški stil citiranja

Duckworth, Michael. Open Doors: Workbook 3. Oxford: Oxford University Press, 1996.

MLA način citiranja

Duckworth, Michael. Open Doors: Workbook 3. Oxford: Oxford University Press, 1996.