United States. Department of Health and Human Services. HHS news. U.S. Department of Health and Human Services.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Department of Health and Human Services. HHS News. [Rockville, MD]: U.S. Department of Health and Human Services.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Department of Health and Human Services. HHS News. U.S. Department of Health and Human Services.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.