Gaya APA
Enviromental Health Criteria 27. (1983).
Malang Kota:
WHO Geneva.
Gaya Chicago
Enviromental Health Criteria 27.
.
Malang Kota:
WHO Geneva,
1983.
Text.
Gaya MLA
Enviromental Health Criteria 27.
.
Malang Kota:
WHO Geneva,
1983.
Text.
Gaya Turabian
Enviromental Health Criteria 27.
Malang Kota:
WHO Geneva,
1983.
Print.