Fruend, J. E. (1962). Mathematical statistics. Prentice-Hall.
Cita Chicago (17th ed.)Fruend, John E. Mathematical Statistics. Englewood Cliffs, N.J: Prentice-Hall, 1962.
Cita MLA (9th ed.)Fruend, John E. Mathematical Statistics. Prentice-Hall, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.