What's Up ? 1 : workbook.
MLA
De Roeck, G., J Kelly, and A Vandaele. What's Up ? 1 : Workbook. Deurne: Novum, 2001.
APA
De Roeck, G., Kelly, J., & Vandaele, A. (2001). What's Up ? 1 : workbook. Deurne: Novum.
Chicago
De Roeck, G., J. Kelly, and A. Vandaele. What's Up ? 1: Workbook. Deurne: Novum, 2001.
