Gaya APA
Enviromental Health Criteria 3 Leand. (1977).
Malang Kota:
WHO Geneva.
Gaya Chicago
Enviromental Health Criteria 3 Leand.
.
Malang Kota:
WHO Geneva,
1977.
Text.
Gaya MLA
Enviromental Health Criteria 3 Leand.
.
Malang Kota:
WHO Geneva,
1977.
Text.
Gaya Turabian
Enviromental Health Criteria 3 Leand.
Malang Kota:
WHO Geneva,
1977.
Print.