APA
Keys W., Wilkinson D., National Foundation for Educational Research in England and Wales & Great Britain. (1999). Study support. [London]: DfEE.
Chicago
Keys Wendy, Wilkinson David, National Foundation for Educational Research in England and Wales and Great Britain. 1999. Study support. [London]: DfEE.
Harvard
Keys W., Wilkinson D., National Foundation for Educational Research in England and Wales and Great Britain. (1999). Study support. [London]: DfEE.
MLA
Keys Wendy, Wilkinson David, National Foundation for Educational Research in England and Wales and Great Britain. Study support. [London]: DfEE. 1999.