Gaya APA
Epidemiology. (sa).
Moscow:
Foreign Languages Publishing House.
Gaya Chicago
Epidemiology.
.
Moscow:
Foreign Languages Publishing House,
sa.
Buku.
Gaya MLA
Epidemiology.
.
Moscow:
Foreign Languages Publishing House,
sa.
Buku.
Gaya Turabian
Epidemiology.
Moscow:
Foreign Languages Publishing House,
sa.
Buku.