Παραπομπή σε μορφή APA (7η εκδ.)

Gregory, P. R., & Stuart, R. C. (2014). The global economy and its economic systems. South-Western, Cengage Learning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gregory, Paul R., και Robert C. Stuart. The Global Economy and Its Economic Systems. Australia: South-Western, Cengage Learning, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gregory, Paul R., και Robert C. Stuart. The Global Economy and Its Economic Systems. South-Western, Cengage Learning, 2014.