1.
An encyclopedic dictionary of language and languages. London: Penguin books; 1994.
An encyclopedic dictionary of language and languages. London : Penguin books, 4 mai 1994. ISBN 0140512349
Crystal David. (1994). An encyclopedic dictionary of language and languages. Penguin books.
Style de citation MLA (8e éd.)Crystal David. An Encyclopedic Dictionary of Language and Languages. Penguin books, 1994.
Attention : ces citations peuvent ne pas être correctes à 100%.