1. Systemic linguistics and discourse analysis: A multi-layered approach to exchange structure;Berry,1981
2. Towards layers of exchange structure for directive exchanges;Berry;Network,1981
3. Polarity, ellipticity, elicitation and propositional development, their relevance to the well-formedness of an exchange: A discussion of Coulthard and Brazil’s classes of move;Berry;Nottingham Linguistic Circular,1981
4. Is teacher an unanalysed concept?;Berry,1987