Gaya APA
CHRISTIE, David. (1988).
A guide to occupational epidemiology .
:
CCH International.
Gaya Chicago
CHRISTIE, David.
A guide to occupational epidemiology.
:
CCH International,
1988.
Buku Text.
Gaya MLA
CHRISTIE, David.
A guide to occupational epidemiology.
:
CCH International,
1988.
Buku Text.
Gaya Turabian
CHRISTIE, David.
A guide to occupational epidemiology.
:
CCH International,
1988.
Buku Text.