McCann, M. R., & Watts, S. (2019). Enough is enough: How students can join the fight for gun safety (Beyond Words/Simon Pulse edition.). Simon Pulse ; Beyond Words.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)McCann, Michelle Roehm, و Shannon Watts. Enough Is Enough: How Students Can Join the Fight for Gun Safety. Beyond Words/Simon Pulse edition. New York : Hillsboro, Oregon: Simon Pulse ; Beyond Words, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)McCann, Michelle Roehm, و Shannon Watts. Enough Is Enough: How Students Can Join the Fight for Gun Safety. Beyond Words/Simon Pulse edition. Simon Pulse ; Beyond Words, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.