Saito,Y.,&Samimy,K.(1996).ForeignLanguageAnxiety and LanguagePerformance: A Study of Learner Anxiety in Beginning, Intermediate, and Advanced-LevelCollegeStudents of Japanese. Foreign Language Annals,
Gardner,R.,P.Smythe, R.Clement&L.Gliksman.Second Language Learning:A Social-psychological Perspective[J].Canadian Modern Language Review,1 976
Young D.J.The Relationship Between Anxiety and Foreign Language Oral Proficiency Ratings