Lancaster, G. (2008). Developing speech and language skills: A resource book for teachers, teaching assistants, and speech and language therapists (1. publ.). Routledge.
Chicago-Zitierstil (17. Ausg.)Lancaster, Gwen. Developing Speech and Language Skills: A Resource Book for Teachers, Teaching Assistants, and Speech and Language Therapists. 1. publ. London [u.a.]: Routledge, 2008.
MLA-Zitierstil (9. Ausg.)Lancaster, Gwen. Developing Speech and Language Skills: A Resource Book for Teachers, Teaching Assistants, and Speech and Language Therapists. 1. publ. Routledge, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.