Williams, A. E., Nester, C. J., Ravey, M. I., Kottink, A., & Klapsing, M. (2010). Women's experiences of wearing therapeutic footwear in three European countries. BioMed Central.

Williams, Anita E., Christopher J. Nester, Michael I. Ravey, Anke Kottink, och Morey-Gaspar Klapsing. Women's Experiences of Wearing Therapeutic Footwear in Three European Countries. BioMed Central, 2010.

Williams, Anita E., et al. Women's Experiences of Wearing Therapeutic Footwear in Three European Countries. BioMed Central, 2010.