Gaya APA
Ph.D, L, F, B., Ph.D, I, K, M.
(2000).
social epidemiology
.
USA:
oxford university press.
Gaya MLA
Ph.D, Lisa, F., Berkman,., Ph.D, Ichiro, Kawachi,, M.D.,.
"social epidemiology".
USA:
oxford university press,
2000.
.