Friedrichs, R. (2018). Standing up to Goliath: Battling state and national teachers' unions for the heart and soul of our kids and country. Post Hill Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Friedrichs, Rebecca. Standing Up to Goliath: Battling State and National Teachers' Unions for the Heart and Soul of Our Kids and Country. New York: Post Hill Press, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Friedrichs, Rebecca. Standing Up to Goliath: Battling State and National Teachers' Unions for the Heart and Soul of Our Kids and Country. Post Hill Press, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.