Davis, C. W. (1987). An examination of criteria for the characterisation of spoken discourse in the English as a second language classroom: Based on an analysis of six English language lessons in Singapore secondary schools.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Davis, Colin William. An Examination of Criteria for the Characterisation of Spoken Discourse in the English as a Second Language Classroom: Based on an Analysis of Six English Language Lessons in Singapore Secondary Schools. 1987.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Davis, Colin William. An Examination of Criteria for the Characterisation of Spoken Discourse in the English as a Second Language Classroom: Based on an Analysis of Six English Language Lessons in Singapore Secondary Schools. 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.