Zar, J. (1974). Biostatistical analysis. Prentice-Hall.
Cita Chicago (17th ed.)Zar, J. Biostatistical Analysis. Englewood Cliffs, N. J: Prentice-Hall, 1974.
Cita MLA (9th ed.)Zar, J. Biostatistical Analysis. Prentice-Hall, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.