Sayer, F. M. (2008). The Sands of Time: The allocation and use of instructional time in English and Mathematics in private and public schools in England and Dubai.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sayer, Fiona M. The Sands of Time: The Allocation and Use of Instructional Time in English and Mathematics in Private and Public Schools in England and Dubai. 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sayer, Fiona M. The Sands of Time: The Allocation and Use of Instructional Time in English and Mathematics in Private and Public Schools in England and Dubai. 2008.
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