Watkins, A. M. (2007). Isolating Student, School, and Community Effects on School Weapon Carrying.
Cita Chicago Style (17a ed.)Watkins, Adam Michael. Isolating Student, School, and Community Effects on School Weapon Carrying. 2007.
Cita MLA (9a ed.)Watkins, Adam Michael. Isolating Student, School, and Community Effects on School Weapon Carrying. 2007.
Precaución: Estas citas no son 100% exactas.