Lachin, J. M. (2000). Biostatistical methods: The assessment of relative risks. Wiley.
Cita Chicago (17th ed.)Lachin, John M. Biostatistical Methods: The Assessment of Relative Risks. New York: Wiley, 2000.
Cita MLA (9th ed.)Lachin, John M. Biostatistical Methods: The Assessment of Relative Risks. Wiley, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.