Morse, M. (1968). The unattached: A report of the three-year project carried out by the National Association of Youth Clubs. Middlesex: Penguin.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Morse, Mary. The Unattached: A Report of the Three-year Project Carried Out by the National Association of Youth Clubs. Middlesex: Penguin, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Morse, Mary. The Unattached: A Report of the Three-year Project Carried Out by the National Association of Youth Clubs. Middlesex: Penguin, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.