Dorrell, L. (2008). Twenty-five years of HIV research: What we have learned and what we still need to know.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Dorrell, L. Twenty-five Years of HIV Research: What We Have Learned and What We Still Need to Know. 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Dorrell, L. Twenty-five Years of HIV Research: What We Have Learned and What We Still Need to Know. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.