Hillstrom, L. C. (2019). School shootings and the Never Again Movement. ABC-CLIO.
Cita Chicago Style (17a ed.)Hillstrom, Laurie Collier. School Shootings and the Never Again Movement. Santa Barbara, California Denver, Colorado: ABC-CLIO, 2019.
Cita MLA (8a ed.)Hillstrom, Laurie Collier. School Shootings and the Never Again Movement. ABC-CLIO, 2019.
Precaución: Estas citas no son 100% exactas.