APA
Crystal D., . (1987). Child language, learning and linguistics: An overview for the teaching and therapeutic professions. London: Edward Arnold Publishers Ltd.
Chicago
Crystal David, . 1987. Child language, learning and linguistics: An overview for the teaching and therapeutic professions. London: Edward Arnold Publishers Ltd.
Harvard
Crystal D., . (1987). Child language, learning and linguistics: An overview for the teaching and therapeutic professions. London: Edward Arnold Publishers Ltd.
MLA
Crystal David, . Child language, learning and linguistics: An overview for the teaching and therapeutic professions. London: Edward Arnold Publishers Ltd. 1987.