Flaum, S. A., Smith, W., & Grossman, H. (2021). The stutter steps: Proven pathways to speaking confidently and living courageously. Post Hill Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Flaum, Sander A., Wes Smith, و Heather Grossman. The Stutter Steps: Proven Pathways to Speaking Confidently and Living Courageously. New York: Post Hill Press, 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Flaum, Sander A., et al. The Stutter Steps: Proven Pathways to Speaking Confidently and Living Courageously. Post Hill Press, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.