Goldstein, H. (1995). Multilevel statistic models (2a. ed.). Arnold.
Cita Chicago (17th ed.)Goldstein, Harvey. Multilevel Statistic Models. 2a. ed. Londres: Arnold, 1995.
Cita MLA (9th ed.)Goldstein, Harvey. Multilevel Statistic Models. 2a. ed. Arnold, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.