Williams, D. (2020). Early visual skills: A resource for working with children with under-developed visual perceptual skills (Second edition.). Routledge.
Chicago-Zitierstil (17. Ausg.)Williams, Diana. Early Visual Skills: A Resource for Working with Children with Under-developed Visual Perceptual Skills. Second edition. Abingdon, Oxon: Routledge, 2020.
MLA-Zitierstil (9. Ausg.)Williams, Diana. Early Visual Skills: A Resource for Working with Children with Under-developed Visual Perceptual Skills. Second edition. Routledge, 2020.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.