Perlus, J. G., Brooks-Russell, A., Wang, J., & Iannotti, R. J. (2014). Trends in Bullying, Physical Fighting, and Weapon Carrying Among 6th- Through 10th-Grade Students From 1998 to 2010: Findings From a National Study. American Public Health Association.

Perlus, Jessamyn G., Ashley Brooks-Russell, Jing Wang, ja Ronald J. Iannotti. Trends in Bullying, Physical Fighting, and Weapon Carrying Among 6th- Through 10th-Grade Students From 1998 to 2010: Findings From a National Study. American Public Health Association, 2014.

Perlus, Jessamyn G., Ashley Brooks-Russell, Jing Wang, ja Ronald J. Iannotti. Trends in Bullying, Physical Fighting, and Weapon Carrying Among 6th- Through 10th-Grade Students From 1998 to 2010: Findings From a National Study. American Public Health Association, 2014.