Gaya APA
Sehgal, A. (2006).
Deadly Diseases And Epidemics : Leprosy .
United States of America:
chelsea house publishers.
Gaya MLA
Sehgal, Alfica.
"Deadly Diseases And Epidemics : Leprosy".
United States of America:
chelsea house publishers,
2006.
Buku.