4[1]Horwitz, E.K., M.B.,Horwitz, & J. Cope. Foreign language classroom anxiety[J]. The Modern Language Journal, 1986,(70): 125-132.
5[2]Steinberg, F.S., & E.K., Horwitz. The effect of induced anxiety on the denotative and interpretive content of second language speech[J]. TESOL Quarterly,1986,(20):131-136.
6[3]Young, D.J. The relationship between anxiety and foreign language oral proficiency ratings[J] Foreign Language Annals,1986,(19): 439- 445.
7[4]Phillips, E.M. The effects of language anxiety on students' oral test performance and attitudes[J]. The Modern Language Journal,1992,(76): 14-76.
8[5]Vogely, A.J. Listening comprehension anxiey: students' reported sources and solutions[J]. Foreign Language Annals,1998,(31): 67-80.
9[6]Saito, Y., E.K., Horwitz & T.J., Garza. Foreign language reading anxiety[J]. The Modern Language Journal,1999,(83): 202-218.
10[7]Cheng, Y.S., E.K., Horwitz & D.L. Schallert. Language anxiety: Differentiating writing and speaking components[J]. Language Learning ,1999,(49): 417-446.
