APA
(1977). The journal of Tropical Pediatrics and Environmental child health. London: Environmental Child health.
Chicago
1977. The journal of Tropical Pediatrics and Environmental child health. London: Environmental Child health.
Harvard
(1977). The journal of Tropical Pediatrics and Environmental child health. London: Environmental Child health.
MLA
The journal of Tropical Pediatrics and Environmental child health. London: Environmental Child health. 1977.
