Não informado. (2020). Research Grants Index. U.S. Department of Health, Education, and Welfare, Public Health Service, National Institutes of Health, Division of Research Grants.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Research Grants Index. Bethesda, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, National Institutes of Health, Division of Research Grants, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Research Grants Index. U.S. Department of Health, Education, and Welfare, Public Health Service, National Institutes of Health, Division of Research Grants, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.