McConnell Campbell. (2013). Economics: Principles, Problem, and Policies. McGraw Hill.
芝加哥风格引文McConnell Campbell. Economics: Principles, Problem, and Policies. New Delhi: McGraw Hill, 2013.
MLA引文McConnell Campbell. Economics: Principles, Problem, and Policies. McGraw Hill, 2013.
警告：这些引文格式不一定是100％准确.