Popham, W. J. (1973). Evaluating instruction. Prentice-Hall.
Cita Chicago Style (17a ed.)Popham, W. James. Evaluating Instruction. Englewood Cliffs, N.J.: Prentice-Hall, 1973.
Cita MLA (8a ed.)Popham, W. James. Evaluating Instruction. Prentice-Hall, 1973.
Precaución: Estas citas no son 100% exactas.