6Richards, J. C.; Platt, J.; Platt, H. Longman Dictionary of Language Teaching Applied Linguistics. Beijing: Foreing Language Teaching and Research Press. 2000.
7Bussmann, H. Routledge Dictionary of Language and Linguistics. Translated and edited by Trauth, G.P. and Kazzazi, K. Foreign Language Teaching and Research Press and Routledge. 2000.
8Lakoff, G. & Johnson, M. Metaphors We Live by. Chicago:University of Chicago Press. 1980.
9Saeed,J. Semantics. Oxford: Blackwell. 1997.
10Perkins, K. & Angelis, P.J. Schematic Concept Formation in Language Learning. Vol. 35, No. 2, 1985.