Gaya APA
Gordis, Leon. ().
Epidemiology fouth edition .
:
.
Gaya Chicago
Gordis, Leon.
Epidemiology fouth edition.
:
,
.
Text.
Gaya MLA
Gordis, Leon.
Epidemiology fouth edition.
:
,
.
Text.
Gaya Turabian
Gordis, Leon.
Epidemiology fouth edition.
:
,
.
Print.