Merrill, R. M. (2013). Introduction to epidemiology (6th ed.). Jones & Bartlett Learning.
芝加哥风格引文Merrill, Ray M. Introduction to Epidemiology. 6th ed. Burlington, Mass.: Jones & Bartlett Learning, 2013.
MLA引文Merrill, Ray M. Introduction to Epidemiology. 6th ed. Jones & Bartlett Learning, 2013.
警告：这些引文格式不一定是100％准确.