Nering, M. L., & Ostini, R. (2010). Handbook of polytomous item response theory models. Routledge.
Cita Chicago Style (17a ed.)Nering, Michael L., y Remo Ostini. Handbook of Polytomous Item Response Theory Models. New York: Routledge, 2010.
Cita MLA (9a ed.)Nering, Michael L., y Remo Ostini. Handbook of Polytomous Item Response Theory Models. Routledge, 2010.
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