Parkin, M., Powell, M., & Matthews, K. (2005). Economics (6. ed.). Pearson, Addison-Wesley.
Chicago Style (17th ed.) CitationParkin, Michael, Melanie Powell, and Kent Matthews. Economics. 6. ed. Harlow [u.a.]: Pearson, Addison-Wesley, 2005.
MLA (9th ed.) CitationParkin, Michael, et al. Economics. 6. ed. Pearson, Addison-Wesley, 2005.
Warning: These citations may not always be 100% accurate.