How to ref this page

To refer to this web page in an book or article etc, please cite the following two references.

Cobb,T. Web Vocabprofile [accessed xx Month 200x from http://www.lextutor.ca/vp/ ], an adaptation of Heatley, Nation & Coxhead's (2002) Range.
Heatley, A., Nation, I.S.P. & Coxhead, A. (2002). RANGE and FREQUENCY programs. Available at http://www.victoria.ac.nz/lals/staff/paul-nation.aspx .