Zar, J. H. (1999). Biostatistical analysis (4th ed.). Prentice Hall.
Cita Chicago (17th ed.)Zar, Jerrold H. Biostatistical Analysis. 4th ed. Upper Saddle River, N.J: Prentice Hall, 1999.
Cita MLA (9th ed.)Zar, Jerrold H. Biostatistical Analysis. 4th ed. Prentice Hall, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.