@inbook {Scherer1980, title = {The functions of nonverbal signs in conversation}, booktitle = {The Social and Psychological Contexts~of~Language}, year = {1980}, pages = {225{\textendash}244}, publisher = {Lawrence Erlbaum}, organization = {Lawrence Erlbaum}, address = {Hillsdale. NJ}, author = {Scherer, Klaus R}, editor = {Robert Saint Clair and Howard Giles} } @inbook {Giles1979, title = {Accommodation theory : Optimal levels of convergence}, booktitle = {Language and Social Psychology}, year = {1979}, pages = {45{\textendash}65}, publisher = {Blackwell}, organization = {Blackwell}, address = {Oxford}, author = {Howard Giles and Philip Smith}, editor = {Howard Giles and Robert Saint Clair} } @inbook {Bourhis1979, title = {Psycholinguistic distinctiveness : Language divergence in Belgium}, booktitle = {Language and Social Psychology}, year = {1979}, pages = {158{\textendash}185}, publisher = {Blackwell}, organization = {Blackwell}, address = {Oxford}, author = {Bourhis, Richard Y. and Howard Giles and Jacques-Philippe Leyens and Henry Tajfel}, editor = {Howard Giles and Robert Saint Clair} }