7Hartmann R R K,James G. (eds.) Dictionary of Lexicography. Beijing: Foreign Language Teaching and Research Press, 2000.
8Leech G,Thomas J. Pragmaties and Dictionary. // Summers D. (eels.) Long man Dictionary of Contemporary English. (2nd edition). Essex: Longman Group UK Ltd, 1987.
9Levison S C. Pragrnatics. Beijing: Foreign Language Teaching and Research Press, 2001.
