Brown,Gillian, & Yule, G. (1999). Teaching the spoken langauge: An approach based on the analysis of conversational english. Cambridge University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Brown,Gillian, و George Yule. Teaching the Spoken Langauge: An Approach Based on the Analysis of Conversational English. Cambridge: Cambridge University Press, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Brown,Gillian, و George Yule. Teaching the Spoken Langauge: An Approach Based on the Analysis of Conversational English. Cambridge University Press, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.