Osterlind, S. J. (1998). Constructing test items: Multiple-choice, constructed-response, performance, and other formats (2nd ed.). Kluwer Academic Publishers.
Dyfyniad Arddull ChicagoOsterlind, Steven J. Constructing Test Items: Multiple-choice, Constructed-response, Performance, and Other Formats. 2nd ed. Boston: Kluwer Academic Publishers, 1998.
Dyfyniad MLAOsterlind, Steven J. Constructing Test Items: Multiple-choice, Constructed-response, Performance, and Other Formats. 2nd ed. Kluwer Academic Publishers, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.