What's Up ? 3 : workbook.

MLA

Kelly, J., K Stuyck, and P Vandewiele. What's Up ? 3 : Workbook. Deurne: Novum, 2002.

APA

Kelly, J., Stuyck, K., & Vandewiele, P. (2002). What's Up ? 3 : workbook. Deurne: Novum.

Chicago

Kelly, J., K. Stuyck, and P. Vandewiele. What's Up ? 3: Workbook. Deurne: Novum, 2002.