Izura, C., Izura, C., Pérez, M., Agallou, E., Wright, V., Marín, J., . . . Ellis, A. (2011). Age/order of acquisition effects and the cumulative learning of foreign words: A word training study. Journal of Memory and Language, 64(1), pp. 32-58. doi:10.1016/j.jml.2010.09.002

Izura, Cristina, C. Izura, M.A Pérez, E. Agallou, V.C Wright, J. Marín, H. Stadthagen-González, and A. Ellis. "Age/order of Acquisition Effects and the Cumulative Learning of Foreign Words: A Word Training Study." Journal of Memory and Language 64, no. 1 (2011): 32-58.

Izura, Cristina, et al. "Age/order of Acquisition Effects and the Cumulative Learning of Foreign Words: A Word Training Study." Journal of Memory and Language 64.1 (2011): 32-58.