Epstein, J. M., Goedecke, D. M., Yu, F., Morris, R. J., Wagener, D. K., & Bobashev, G. V. (2007). Controlling Pandemic Flu: The Value of International Air Travel Restrictions. Public Library of Science.

Epstein, Joshua M., D. Michael Goedecke, Feng Yu, Robert J. Morris, Diane K. Wagener, و Georgiy V. Bobashev. Controlling Pandemic Flu: The Value of International Air Travel Restrictions. Public Library of Science, 2007.

Epstein, Joshua M., et al. Controlling Pandemic Flu: The Value of International Air Travel Restrictions. Public Library of Science, 2007.