Levitan, A., & Block, R. (2015). The vitamin solution: Two doctors clear the confusion about vitamins and your health. She Writes Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Levitan, Arielle, و Romy Block. The Vitamin Solution: Two Doctors Clear the Confusion About Vitamins and Your Health. Berkeley, CA: She Writes Press, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Levitan, Arielle, و Romy Block. The Vitamin Solution: Two Doctors Clear the Confusion About Vitamins and Your Health. She Writes Press, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.