Gaya APA
Proctor and Hughes: Chemical hazards of the workplace. (1991).
:
.
Gaya Chicago
Proctor and Hughes: Chemical hazards of the workplace.
.
:
,
1991.
Buku Text.
Gaya MLA
Proctor and Hughes: Chemical hazards of the workplace.
.
:
,
1991.
Buku Text.
Gaya Turabian
Proctor and Hughes: Chemical hazards of the workplace.
:
,
1991.
Buku Text.