Cita APA

Wilson, K., & Falla, T. (2007). First choice: Workbook. Oxford: Oxford Univ. Press.

Chicago Style Citation

Wilson, Ken, i Tim Falla. First Choice: Workbook. Oxford: Oxford Univ. Press, 2007.

Cita MLA

Wilson, Ken, i Tim Falla. First Choice: Workbook. Oxford: Oxford Univ. Press, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.