APA
Melnick S. L., . (1993). A Guide for epidemiological studies of oral manifestations of HIV infection. World Health Organization, Geneva: .
Chicago
Melnick Sandra L, . 1993. A Guide for epidemiological studies of oral manifestations of HIV infection. World Health Organization, Geneva: .
Harvard
Melnick S. L., . (1993). A Guide for epidemiological studies of oral manifestations of HIV infection. World Health Organization, Geneva: .
MLA
Melnick Sandra L, . A Guide for epidemiological studies of oral manifestations of HIV infection. World Health Organization, Geneva: . 1993.