Donaldson, M.L. (1986). Children's Explanations. A Psycholinguistic Study (Cambridge: Cambridge University Press).
2.
French, L.A. & Nelson, K. (1985) Young Children's Knowledge of Relational Terms (New York. Springer)
3.
Hood, L. & Bloom, L. (1979). What, when and how about why a longitudinal study of early expressions of causality. Monographs of the Society for Research in Child Development, 44, no. 6.
4.
Perera, K. (1984). Children's Writing and Reading Analysing Classroom Language (Oxford: Blackwell)
5.
Raban, B. (1988) Speaking and writing young children's use of connectivesChild Language Teaching and Therapy, 4, 13-25.
6.
Yde, P. & Spoelders, M. (1985). Text cohesion an exploratory study with beginning writers. Applied Psycholinguistics, 6, 407-416