Crystal, D. (2007). How language works: How babies babble, words change meaning and languages live or die. London: Penguin.
Chicago Style CitationCrystal, David. How Language Works: How Babies Babble, Words Change Meaning and Languages Live or Die. London: Penguin, 2007.
MLA CitationCrystal, David. How Language Works: How Babies Babble, Words Change Meaning and Languages Live or Die. London: Penguin, 2007.
Warning: These citations may not always be 100% accurate.