@inbook {Cooper2004, title = {Attitudes, norms and social groups}, booktitle = {Social Cognition}, year = {2004}, pages = {244{\textendash}267}, publisher = {Blackwell}, organization = {Blackwell}, address = {Malden, MA}, author = {Cooper, Joel and Kimberly A. Kelly and Kimberlee Weaver}, editor = {Marilynn B. Brewer and Miles Hewstone} } @inbook {Ryan1988, title = {The measurement of language attitudes}, booktitle = {Sociolinguistics. An International Handbook of the Science of Language and Society}, volume = {2}, year = {1988}, pages = {1068{\textendash}1081}, publisher = {Walter de Gruyter}, organization = {Walter de Gruyter}, address = {Berlin ; New York}, author = {Ryan, Ellen B and Howard Giles and Miles Hewstone}, editor = {Ulrich Ammon and Norbert Dittmar and Klaus J. Mattheier} } @inbook {Giles1988, title = {Research on language attitudes}, booktitle = {Sociolinguistics. An International Handbook of the Science of Language and Society}, volume = {1}, year = {1988}, pages = {585{\textendash}597}, publisher = {Walter de Gruyter}, organization = {Walter de Gruyter}, address = {Berlin ; New York}, author = {Howard Giles and Miles Hewstone and Ellen B. Ryan and Patricia Johnson}, editor = {Ulrich Ammon, Norbert Dittmar and Klaus Mattheier} } @article {Giles1982, title = {Cognitive structures, speech, and social situations : Two integrative models}, journal = {Language Sciences}, volume = {4}, number = {2}, year = {1982}, pages = {187{\textendash}219}, author = {Howard Giles and Miles Hewstone} }