Babiker, A., Darbyshire, J., Pezzotti, P., Porter, K., Rezza, G., Walker, S., . . . Katsarou, O. (2002). Changes over calendar time in the risk of specific first AIDS-defining events following HIV seroconversion, adjusting for competing risks.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Babiker, A., et al. Changes over Calendar Time in the Risk of Specific First AIDS-defining Events Following HIV Seroconversion, Adjusting for Competing Risks. 2002.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Babiker, A., et al. Changes over Calendar Time in the Risk of Specific First AIDS-defining Events Following HIV Seroconversion, Adjusting for Competing Risks. 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.