@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}
}
