APA ציטוט

Mertz, K. J., & Weiss, H. B. (2008). Changes in Motorcycle-Related Head Injury Deaths, Hospitalizations, and Hospital Charges Following Repeal of Pennsylvania’s Mandatory Motorcycle Helmet Law. American Public Health Association.

Citação norma Chicago

Mertz, Kristen J., and Harold B. Weiss. Changes in Motorcycle-Related Head Injury Deaths, Hospitalizations, and Hospital Charges Following Repeal of Pennsylvania’s Mandatory Motorcycle Helmet Law. American Public Health Association, 2008.

ציטוט MLA

Mertz, Kristen J., and Harold B. Weiss. Changes in Motorcycle-Related Head Injury Deaths, Hospitalizations, and Hospital Charges Following Repeal of Pennsylvania’s Mandatory Motorcycle Helmet Law. American Public Health Association, 2008.