Whitmer, G., & Dickey, L. (2024). True Gretch: What I've learned about life, leadership, and everything in between (First Simon & Schuster hardcover edition.). Simon & Schuster.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Whitmer, Gretchen, و Lisa Dickey. True Gretch: What I've Learned About Life, Leadership, and Everything in Between. First Simon & Schuster hardcover edition. New York: Simon & Schuster, 2024.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Whitmer, Gretchen, و Lisa Dickey. True Gretch: What I've Learned About Life, Leadership, and Everything in Between. First Simon & Schuster hardcover edition. Simon & Schuster, 2024.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.