Talk:Single Word Utterances/@comment-24947466-20150801031835

Google: ""early single-word" stage"

Language Acquisition   By Jill G. De Villiers, Peter A. De Villiers https://books.google.ca/books?id=CNiMvnr1GVsC&pg=PA48&lpg=PA48&dq=%22early+single-word%22+stage&source=bl&ots=P74lTBuDE_&sig=oh7vwJyY5OWQQDvrb2f07POJlpY&hl=en&sa=X&ved=0CDAQ6AEwA2oVChMI_LeA8JWGxwIVyRSSCh3EGAhR#v=onepage&q=%22early%20single-word%22%20stage&f=false

"late single word" stage (probably "early", too)

https://books.google.ca/books?id=JVZcBgAAQBAJ&pg=PA148&lpg=PA148&dq=%22late+single+word%22+stage&source=bl&ots=BDeE_LfBY1&sig=_S6GCramN0yN7lFrYHSSHRR0Dlw&hl=en&sa=X&ved=0CCIQ6AEwAmoVChMI3c34oZaGxwIVwxqSCh2C9AVf#v=onepage&q=%22early%20single%20word%22%20stage&f=false