1. Aimard, P. Les jeux de mots de l’enfant. Villeurbanne: Simep-Editions, 1975.
2. Al-Issa, I. The development of word definitions in children. Journal of Genetic Psychology, 1969, 114, 25–28.
3. Andersen, E.S. Cups and glasses: Learning that boundaries are vague. Journal of Child Language, 1975, 2, 79–103.
4. Andersen, E.S. Learning to speak with style: A study of the sociolinguistic skills of children. Unpublished doctoral dissertation, Stanford University, 1977.
5. Asch, S.E. and Nerlove, H. The development of double function terms in children. In: B. Kaplan and S. Wapner (eds.), Perspectives in psychological theory. New York: International Universities Press, 1960.