Rubenstein, I. (2005). Exercise Ideas for Lower Body Strengthening. Visual Health Information.
芝加哥风格引文Rubenstein, Irv. Exercise Ideas for Lower Body Strengthening. Visual Health Information, 2005.
MLA引文Rubenstein, Irv. Exercise Ideas for Lower Body Strengthening. Visual Health Information, 2005.
警告：这些引文格式不一定是100％准确.