Travis, R., Perez-Cornago, A., Appleby, P., Hamdy, F., Key, T., & Allen, N. (2018). A collaborative analysis of individual participant data from 19 prospective studies assesses circulating vitamin D and prostate cancer risk. American Association for Cancer Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Travis, R., A. Perez-Cornago, P. Appleby, F. Hamdy, T. Key, و N. Allen. A Collaborative Analysis of Individual Participant Data from 19 Prospective Studies Assesses Circulating Vitamin D and Prostate Cancer Risk. American Association for Cancer Research, 2018.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Travis, R., et al. A Collaborative Analysis of Individual Participant Data from 19 Prospective Studies Assesses Circulating Vitamin D and Prostate Cancer Risk. American Association for Cancer Research, 2018.