APA

Lindsay W. R., Pitcaithly D., Geelen N., Buntin L., Broxholme S. & Ashby M. (19970903). A comparison of the effects of four therapy procedures on concentration and responsiveness in people with profound learning disabilities. : Journal of intellectual disability research : JIDR.

Chicago

Lindsay W R, Pitcaithly D, Geelen N, Buntin L, Broxholme S and Ashby M. 19970903. A comparison of the effects of four therapy procedures on concentration and responsiveness in people with profound learning disabilities. : Journal of intellectual disability research : JIDR.

Harvard

Lindsay W. R., Pitcaithly D., Geelen N., Buntin L., Broxholme S. and Ashby M. (19970903). A comparison of the effects of four therapy procedures on concentration and responsiveness in people with profound learning disabilities. : Journal of intellectual disability research : JIDR.

MLA

Lindsay W R, Pitcaithly D, Geelen N, Buntin L, Broxholme S and Ashby M. A comparison of the effects of four therapy procedures on concentration and responsiveness in people with profound learning disabilities. : Journal of intellectual disability research : JIDR. 19970903.