Van Dyke, D., & Gold, T. (2016). Keep moving: And other tips and truths about aging (Large print edition.). Thorndike Press, a part of Gale, Cengage Learning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Van Dyke, Dick, و Todd Gold. Keep Moving: And Other Tips and Truths About Aging. Large print edition. Farmington Hills, Mich: Thorndike Press, a part of Gale, Cengage Learning, 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Van Dyke, Dick, و Todd Gold. Keep Moving: And Other Tips and Truths About Aging. Large print edition. Thorndike Press, a part of Gale, Cengage Learning, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.