APA aipamena

Littlejohn, A. (1999). Cambridge English worldwide: Workbook. Cambridge, UK: Cambridge University Press.

Chicago Style aipamena

Littlejohn, Andrew. Cambridge English Worldwide: Workbook. Cambridge, UK: Cambridge University Press, 1999.

MLA aipamena

Littlejohn, Andrew. Cambridge English Worldwide: Workbook. Cambridge, UK: Cambridge University Press, 1999.