Chen, K. K., Wee, S., Pang, B. W. J., Lau, L. K., Jabbar, K. A., Seah, W. T., . . . Ng, T. P. (2020, September). Bone mineral density reference values in Singaporean adults and comparisons for osteoporosis establishment – The Yishun Study. BMC Musculoskeletal Disorders.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chen, Kexun Kenneth, Shiou-Liang Wee, Benedict Wei Jun Pang, Lay Khoon Lau, Khalid Abdul Jabbar, Wei Ting Seah, Sivasubramanian Srinivasan, Mallya Ullal Jagadish, و Tze Pin Ng. "Bone Mineral Density Reference Values in Singaporean Adults and Comparisons for Osteoporosis Establishment – The Yishun Study." BMC Musculoskeletal Disorders Sep. 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Chen, Kexun Kenneth, et al. "Bone Mineral Density Reference Values in Singaporean Adults and Comparisons for Osteoporosis Establishment – The Yishun Study." BMC Musculoskeletal Disorders, Sep. 2020.