APA-referens (7:e uppl.)

(1999). Early Warning, Timely Response: A Guide to Safe Schools. U.S. Department of Education.

Chicago-referens (17:e uppl.)

Early Warning, Timely Response: A Guide to Safe Schools. U.S. Department of Education, 1999.

MLA-referens (9:e uppl.)

Early Warning, Timely Response: A Guide to Safe Schools. U.S. Department of Education, 1999.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.