APA Style
Gordis, leon. (2009).
Epidemiology fourth edition .
Bandung:
ELSEVIER.
Chicago Style
Gordis, leon.
Epidemiology fourth edition.
Bandung:
ELSEVIER,
2009.
Buku Teks.
MLA Style
Gordis, leon.
Epidemiology fourth edition.
Bandung:
ELSEVIER,
2009.
Buku Teks.
Turabian Style
Gordis, leon.
Epidemiology fourth edition.
Bandung:
ELSEVIER,
2009.
Buku Teks.