Hasselgreen, A. (2004). Testing the spoken English of young Norwegians: A study of test validity and the role of "smallwords" in contributing to pupils' fluency. Cambridge University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hasselgreen, Angela. Testing the Spoken English of Young Norwegians: A Study of Test Validity and the Role of "Smallwords" in Contributing to Pupils' Fluency. Cambridge: Cambridge University Press, 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hasselgreen, Angela. Testing the Spoken English of Young Norwegians: A Study of Test Validity and the Role of "Smallwords" in Contributing to Pupils' Fluency. Cambridge University Press, 2004.
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