1. Aitchinson, J. 1987. Words in the Mind: An Introduction to the Mental Lexicon. Oxford and New York: Basil Blackwell

2. Carter, R. A. and M. J. McCarthy. 1988. Vocabulary and Language Teaching. London: Longman

3. Channell, J. 1981. ‗Applying semantic theory to vocabulary teaching‘. ELT Journal 35/2: 115-22.

4. Clark, J. M. and A. Paivio. 1991. ‗Dual coding theory and education‘. Educational Psychology Review

5. Hague, S. A. 1987. Vocabulary Instruction: What L2 can learn from L1. Foreign Language Annals 20/3: 217-25

6. Haynes, M. and I. Baker. 1993. American and Chinese readers learning from lexical familiarization in English text. In T. Huckin, M. Haynes and J. Coady (Eds.) Second Language Reading and Vocabulary Learning: 130-52. Norwood, N.J.:Ablex Publishing Corporation

7. Resnick, L.B. 1989. Knowing, Learning, and Instruction. Hilldale, N.J.: Lawrence Erlbaum.