Lado, R. (1977). Language testing: The construction and use of foreign language test. Longman Group Ltd.
Lua i Stíl Chicago (17ú heag.)Lado, Robert. Language Testing: The Construction and Use of Foreign Language Test. Longman Group Ltd, 1977.
Lua MLA (8ú heag.)Lado, Robert. Language Testing: The Construction and Use of Foreign Language Test. Longman Group Ltd, 1977.
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