R, C. J., Christian, M., V, N. T., A, E. J., & J, S. M. (2007). Bone turnover in elderly men: Relationships to change in bone mineral density. BMC.
Čikaški stil citiranja (17. izdanje)R, Center Jacqueline, Meier Christian, Nguyen Tuan V, Eisman John A, i Seibel Markus J. Bone Turnover in Elderly Men: Relationships to Change in Bone Mineral Density. BMC, 2007.
MLA način citiranja (9. izdanje)R, Center Jacqueline, et al. Bone Turnover in Elderly Men: Relationships to Change in Bone Mineral Density. BMC, 2007.
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