Oreffo, R., Bord, S., & Triffitt, J. (1998). Skeletal progenitor cells and ageing human populations.
芝加哥风格引文Oreffo, R., S. Bord, 与 J. Triffitt. Skeletal Progenitor Cells and Ageing Human Populations. 1998.
MLA引文Oreffo, R., et al. Skeletal Progenitor Cells and Ageing Human Populations. 1998.
警告：这些引文格式不一定是100％准确.