ebrary, Inc, Thomas, H. S., & Williams, C. H. (2013). Parents, personalities and power: Welsh-medium schools in South-East Wales. University of Wales Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, Huw S. Thomas, و Colin H. Williams. Parents, Personalities and Power: Welsh-medium Schools in South-East Wales. Cardiff: University of Wales Press, 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, et al. Parents, Personalities and Power: Welsh-medium Schools in South-East Wales. University of Wales Press, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.