Matthews, R., Bergin, M., & Salariya, D. (2010). You wouldn't want to be a Chicago gangster!: Some dangerous characters you'd better avoid. Franklin Watts.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Matthews, Rupert, Mark Bergin, و David Salariya. You Wouldn't Want to Be a Chicago Gangster!: Some Dangerous Characters You'd Better Avoid. New York: Franklin Watts, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Matthews, Rupert, et al. You Wouldn't Want to Be a Chicago Gangster!: Some Dangerous Characters You'd Better Avoid. Franklin Watts, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.