APA (7 वां संस्करण) प्रशस्ति पत्र

Cevik, S. (2020). Going Viral: A Gravity Model of Infectious Diseases and Tourism Flows. International Monetary Fund.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Cevik, Serhan. Going Viral: A Gravity Model of Infectious Diseases and Tourism Flows. Washington, D.C.: International Monetary Fund, 2020.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Cevik, Serhan. Going Viral: A Gravity Model of Infectious Diseases and Tourism Flows. International Monetary Fund, 2020.