Brooks, A. C. (2022). From strength to strength: Finding success, happiness, and deep purpose in the second half of life (Unabridged.). Penguin Audio.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Brooks, Arthur C. From Strength to Strength: Finding Success, Happiness, and Deep Purpose in the Second Half of Life. Unabridged. New York: Penguin Audio, 2022.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Brooks, Arthur C. From Strength to Strength: Finding Success, Happiness, and Deep Purpose in the Second Half of Life. Unabridged. Penguin Audio, 2022.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.