Não informado. (2001). American Journal of Public Health: Supplement. American Public Health Association.
Cita Chicago Style (17a ed.)Não informado. American Journal of Public Health: Supplement. Washington: American Public Health Association, 2001.
Cita MLA (8a ed.)Não informado. American Journal of Public Health: Supplement. American Public Health Association, 2001.
Precaución: Estas citas no son 100% exactas.