Welsh Arts Council & Gerard, D. E. (1975). Libraries and leisure: A symposium on the relationship between libraries and recreation in contemporary society. Diploma Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Welsh Arts Council و David E. Gerard. Libraries and Leisure: A Symposium on the Relationship Between Libraries and Recreation in Contemporary Society. London: Diploma Press, 1975.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Welsh Arts Council و David E. Gerard. Libraries and Leisure: A Symposium on the Relationship Between Libraries and Recreation in Contemporary Society. Diploma Press, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.