Parkin, M., Powell, M., & Matthews, K. (1998). Economics (4. ed.). Addison-Wesley.
Chicago Style (17th ed.) CitationParkin, Michael, Melanie Powell, and Kent Matthews. Economics. 4. ed. Harlow u.a: Addison-Wesley, 1998.
MLA (9th ed.) CitationParkin, Michael, et al. Economics. 4. ed. Addison-Wesley, 1998.
Warning: These citations may not always be 100% accurate.