Anon., 2005. Research on language attitudes. In Sociolinguistics. An International Handbook of the Science of Language and Society. Berlin ; New York: Walter de Gruyter, pp. 1318–1332.
Anon., 1988. The measurement of language attitudes. In Sociolinguistics. An International Handbook of the Science of Language and Society. Berlin ; New York: Walter de Gruyter, pp. 1068–1081.