Gaya APA
WHO, . ().
EPIDEMIOLOGICAL SURVEILLANCE ON COMMUNICABLE DISEASES CONTROL WITH EMPHASIS ON EPIDEMIC PRONE ONES AT THE DISTRICT LEVEL .
Africa:
WHO.
Gaya MLA
WHO, .
"EPIDEMIOLOGICAL SURVEILLANCE ON COMMUNICABLE DISEASES CONTROL WITH EMPHASIS ON EPIDEMIC PRONE ONES AT THE DISTRICT LEVEL".
Africa:
WHO,
.
Buku Text.