Gaya APA
Gerstman, B, B. (2003).
Epidemiology Kept Simple : An Introduction to Traditional and Modern Epidemiology Second Edition (Ed.2.--).
United States of America:
Wiley-Liss.
Gaya MLA
Gerstman, B., Burt.
"Epidemiology Kept Simple : An Introduction to Traditional and Modern Epidemiology Second Edition".
Ed.2.--
United States of America:
Wiley-Liss,
2003.
Text.