Williams, G. L. (1992). Changing patterns of finance in higher education. Society for Research into Higher Education & Open University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Williams, Gareth L. Changing Patterns of Finance in Higher Education. Buckingham, [Eng.]: Society for Research into Higher Education & Open University Press, 1992.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Williams, Gareth L. Changing Patterns of Finance in Higher Education. Society for Research into Higher Education & Open University Press, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.