APA (7 वां संस्करण) प्रशस्ति पत्र

Portes, R., & Rey, H. (1999). The determinants of cross-border equity flows. National Bureau of Economic Research.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Portes, Richard, और Helene Rey. The Determinants of Cross-border Equity Flows. Cambridge: National Bureau of Economic Research, 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Portes, Richard, और Helene Rey. The Determinants of Cross-border Equity Flows. National Bureau of Economic Research, 1999.