Parkin, M., Powell, M., & Matthews, K. (2012). Economics (8th ed.). Addison-Wesley ; Pearson.
芝加哥风格引文Parkin, Michael, Melanie Powell, 与 Kent Matthews. Economics. 8th ed. Harlow, England ; Boston, MA: Addison-Wesley ; Pearson, 2012.
MLA引文Parkin, Michael, et al. Economics. 8th ed. Addison-Wesley ; Pearson, 2012.
警告：这些引文格式不一定是100％准确.