Lipski, E. (2020). Digestive wellness: Strengthen the immune system and prevent disease through healthy digestion (5th edition.). McGraw-Hill.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lipski, Elizabeth. Digestive Wellness: Strengthen the Immune System and Prevent Disease Through Healthy Digestion. 5th edition. New York: McGraw-Hill, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lipski, Elizabeth. Digestive Wellness: Strengthen the Immune System and Prevent Disease Through Healthy Digestion. 5th edition. McGraw-Hill, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.