Hagerman, G. R. (1987). Efficiency walking and jogging. Bantam Books.
芝加哥风格引文Hagerman, Gene R. Efficiency Walking and Jogging. Toronto, New York: Bantam Books, 1987.
MLA引文Hagerman, Gene R. Efficiency Walking and Jogging. Bantam Books, 1987.
警告：这些引文格式不一定是100％准确.