APA aipamena

Hammond, J., & Brooks, J. (2001). The World Trade Center Attack: Helping the helpers: the role of critical incident stress management. BioMed Central.

Chicago Style aipamena

Hammond, Jeffrey, and Jill Brooks. The World Trade Center Attack: Helping the Helpers: The Role of Critical Incident Stress Management. BioMed Central, 2001.

MLA aipamena

Hammond, Jeffrey, and Jill Brooks. The World Trade Center Attack: Helping the Helpers: The Role of Critical Incident Stress Management. BioMed Central, 2001.