1Deese, J. & Hulse, S. H. (1967). The Psychology of Learning. (3~ ed.). New York: McGraw Hill.
2Griffin, G., & Harley, T. A. (1996). List learning of second language vo- cabulary. Applied Psycholinguistics, 17, 443-460.
3Stoddard, G. D. (1929). An experiment in verbal learning. Journal of Edu- cational Psychology, 20, 452-457.
4Steinel, M. P., Hulstijn, J. H., & Steinel, W. (2007). Second language idi- om learning in a paired-associate Paradigm. Studies in Second Language Ac- quisition. 29, 449-484.
5Spears, R.A. & Kirkpatrick, B. (2008). NTC' s English Idioms Diction- ary. Central Compilation & Translation Press.
6Howarth, P. (1998). Phraseology and second language proficiency. Ap- plied Linguistics, 19, 24-44.