Hacke, C., & Nunan, D. (2019). Discrepancies in meta-analyses answering the same clinical question were hard to explain: A meta-epidemiological study. Elsevier.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hacke, C., و D. Nunan. Discrepancies in Meta-analyses Answering the Same Clinical Question Were Hard to Explain: A Meta-epidemiological Study. Elsevier, 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hacke, C., و D. Nunan. Discrepancies in Meta-analyses Answering the Same Clinical Question Were Hard to Explain: A Meta-epidemiological Study. Elsevier, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.