National Institute of Environmental Health Sciences\nNational Institutes of Health (U.S.). (2017). Environmental Health Perspectives. National Institute of Environmenatl Health Sciences.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Institute of Environmental Health Sciences\nNational Institutes of Health (U.S.). Environmental Health Perspectives. Research Triangle Park, NC: National Institute of Environmenatl Health Sciences, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Institute of Environmental Health Sciences\nNational Institutes of Health (U.S.). Environmental Health Perspectives. National Institute of Environmenatl Health Sciences, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.