Walford, A. J. (1967). A guide to foreign language grammars and dictionaries (2nd ed., rev., enlarged.). London: The Library Association.
Παραπομπή Chicago StyleWalford, A. J. A Guide to Foreign Language Grammars and Dictionaries. 2nd ed., rev., enlarged. London: The Library Association, 1967.
Παραπομπή MLAWalford, A. J. A Guide to Foreign Language Grammars and Dictionaries. 2nd ed., rev., enlarged. London: The Library Association, 1967.
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