Leisure Studies Association International Conference & Ingham, R. (1989). Leisure, labour and lifestyles: Critical issues : a selection of papers from the 1988 LSA International Conference. E.F. & N. Spon.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Leisure Studies Association International Conference و Roger Ingham. Leisure, Labour and Lifestyles: Critical Issues : A Selection of Papers from the 1988 LSA International Conference. London: E.F. & N. Spon, 1989.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Leisure Studies Association International Conference و Roger Ingham. Leisure, Labour and Lifestyles: Critical Issues : A Selection of Papers from the 1988 LSA International Conference. E.F. & N. Spon, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.