Walsh, W. B. (1989). Tests and measurements (4th ed.). Prentice-Hall.
Cita Chicago Style (17a ed.)Walsh, W. Bruce. Tests and Measurements. 4th ed. Englewood Cliffs, New Jersey: Prentice-Hall, 1989.
Cita MLA (9a ed.)Walsh, W. Bruce. Tests and Measurements. 4th ed. Prentice-Hall, 1989.
Precaución: Estas citas no son 100% exactas.