■ Language and Social Networks (1980), Oxford, Blackwell, 1987 ; Observing and Analysing Natural Language, Oxford, Blackwell, 1987 ; avec MUYSKEN P., One Speaker, Two Languages : Cross-Disciplinary Perspectives on Codeswitching, Cambridge, CUP, 1995 ; avec MILROY J., Authority in Language, investigating Standard English, Londres, Routledge, 1999.
