Gaya APA
Fletcher, Robert H., Fletcher, Suzanne W, Fletcher, Grant S. (2013).
Clinical epidemiology : the essentials 5th ed. (5th ed.).
:
.
Gaya Chicago
Fletcher, Robert H., Fletcher, Suzanne W, Fletcher, Grant S.
Clinical epidemiology : the essentials 5th ed..
5th ed.
:
,
2013.
Text.
Gaya MLA
Fletcher, Robert H., Fletcher, Suzanne W, Fletcher, Grant S.
Clinical epidemiology : the essentials 5th ed..
5th ed.
:
,
2013.
Text.
Gaya Turabian
Fletcher, Robert H., Fletcher, Suzanne W, Fletcher, Grant S.
Clinical epidemiology : the essentials 5th ed..
5th ed.
:
,
2013.
Print.