Gregory, P. R., & Stuart, R. C. (2014). The global economy and its economic systems. South-Western, Cengage Learning.
Chicago-referens (17:e uppl.)Gregory, Paul R., och Robert C. Stuart. The Global Economy and Its Economic Systems. Australia: South-Western, Cengage Learning, 2014.
MLA-referens (9:e uppl.)Gregory, Paul R., och Robert C. Stuart. The Global Economy and Its Economic Systems. South-Western, Cengage Learning, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.