Piper, T. (2003). Language and learning: The home and school years (3rd ed.). Merrill/Prentice Hall.
Chicago-referens (17:e uppl.)Piper, Terry. Language and Learning: The Home and School Years. 3rd ed. Columbus, Ohio: Merrill/Prentice Hall, 2003.
MLA-referens (9:e uppl.)Piper, Terry. Language and Learning: The Home and School Years. 3rd ed. Merrill/Prentice Hall, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.