Book reviews : Cambridge Kindergarten screening test A. Shahzade,D. Becze,S. Christian,M. Eirich,S. Falkenthal,J. Fennell,M. Goncalles,H. Levine,B. Prolman and T. Tuck Allen,Texas: Developmental Learning Materials,1984

Locke, A. 1985: Living language. Windsor: NFER.-Nelson.

Masidlover, M. and Knowles, W. 1982: The Derbyshire language scheme. Derbyshire Education Authority, UK.