Little, R. J., & Rubin, D. B. (1987). Statistical analysis with missing data. John Wiley.
Cita Chicago (17th ed.)Little, Roderick J.A, i Donald B. Rubin. Statistical Analysis with Missing Data. New York: John Wiley, 1987.
Cita MLA (9th ed.)Little, Roderick J.A, i Donald B. Rubin. Statistical Analysis with Missing Data. John Wiley, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.