Rothman, K. J., Greenland, S., & Lash, T. L. (2008). Modern epidemiology (3rd ed.). Lippincott Williams & Wilkins.
Cita Chicago (17th ed.)Rothman, Kenneth J., Sander Greenland, i Timothy L. Lash. Modern Epidemiology. 3rd ed. Philadelphia: Lippincott Williams & Wilkins, 2008.
Cita MLA (9th ed.)Rothman, Kenneth J., et al. Modern Epidemiology. 3rd ed. Lippincott Williams & Wilkins, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.