APA
(1996). Journal of the American medical association. United State: Bristol- myres squib company.
Chicago
1996. Journal of the American medical association. United State: Bristol- myres squib company.
Harvard
(1996). Journal of the American medical association. United State: Bristol- myres squib company.
MLA
Journal of the American medical association. United State: Bristol- myres squib company. 1996.
