Norbury, C., Tomblin, J., & Bishop, D. (2008). Understanding developmental language disorders: From theory to practice. Psychology Press Taylor and Francis Group.
Παραπομπή σε μορφή Chicago (17η εκδ.)Norbury, C., J. Tomblin, και D. Bishop. Understanding Developmental Language Disorders: From Theory to Practice. Psychology Press Taylor and Francis Group, 2008.
Παραπομπή σε μορφή MLA (9th εκδ.)Norbury, C., et al. Understanding Developmental Language Disorders: From Theory to Practice. Psychology Press Taylor and Francis Group, 2008.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.