Fris, R. H. (2011). Epidemiology for public health practice: Student study guide (4th Edition.). Jones and Bartlett Publishers.
芝加哥风格引文Fris, Robert H. Epidemiology for Public Health Practice: Student Study Guide. 4th Edition. United Kingdom: Jones and Bartlett Publishers, 2011.
MLA引文Fris, Robert H. Epidemiology for Public Health Practice: Student Study Guide. 4th Edition. Jones and Bartlett Publishers, 2011.
警告：这些引文格式不一定是100％准确.