APA

Fein R. A., United States & United States. (2002). Threat assessment in schools: a guide to managing threatening situations and to creating safe school climates. Washington, D.C: The Service.

Chicago

Fein Robert A, United States and United States. 2002. Threat assessment in schools: a guide to managing threatening situations and to creating safe school climates. Washington, D.C: The Service.

Harvard

Fein R. A., United States and United States. (2002). Threat assessment in schools: a guide to managing threatening situations and to creating safe school climates. Washington, D.C: The Service.

MLA

Fein Robert A, United States and United States. Threat assessment in schools: a guide to managing threatening situations and to creating safe school climates. Washington, D.C: The Service. 2002.