Johnson, R. A., & Ruhl, J. M. (2007). Living your unlived life: Coping with unrealized dreams and fulfilling your purpose in the second half of life. Jeremy P. Tarcher/Penguin.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Johnson, Robert A., و Jerry M. Ruhl. Living Your Unlived Life: Coping with Unrealized Dreams and Fulfilling Your Purpose in the Second Half of Life. New York: Jeremy P. Tarcher/Penguin, 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Johnson, Robert A., و Jerry M. Ruhl. Living Your Unlived Life: Coping with Unrealized Dreams and Fulfilling Your Purpose in the Second Half of Life. Jeremy P. Tarcher/Penguin, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.