Little, R. J. A., & Rubin, D. B. (1987). Statistical analysis with missing data. Wiley.
Lua i Stíl Chicago (17ú heag.)Little, Roderick J. A., agus Donald B. Rubin. Statistical Analysis with Missing Data. New York: Wiley, 1987.
Lua MLA (9ú heag.)Little, Roderick J. A., agus Donald B. Rubin. Statistical Analysis with Missing Data. Wiley, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.