Lansford, J. E., Alampay, L., Al-Hassan, S., Bacchini, D., Bombi, A. S., Bornstein, M. H., Chang, L., Deater-Deckard, K., Di Giunnta, L., Dodge, K. A., Oburu, P., Pastorelli, C., Runyan, D. K., Skinner, A. T., Sorbring, E., Tapanya, S., Uribe Tirado, L. M., Zelli, A. (2010). Corporal punishment of children in nine countries as a function of child gender and parent gender. International Journal of Pediatrics, 2010, 1-12.