Johannesdottir, F., Aspelund, T., Reeve, J., Poole, K., Sigurdsson, S., Harris, T., . . . Sigurdsson, G. (2013). Similarities and differences between sexes in regional loss of cortical and trabecular bone in the mid-femoral neck: The AGES-Reykjavik longitudinal study.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Johannesdottir, F., T. Aspelund, J. Reeve, K. Poole, S. Sigurdsson, T. Harris, V. Gudnason, و G. Sigurdsson. Similarities and Differences Between Sexes in Regional Loss of Cortical and Trabecular Bone in the Mid-femoral Neck: The AGES-Reykjavik Longitudinal Study. 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Johannesdottir, F., et al. Similarities and Differences Between Sexes in Regional Loss of Cortical and Trabecular Bone in the Mid-femoral Neck: The AGES-Reykjavik Longitudinal Study. 2013.