APA
Philippines, . (1993). National immunization day: the Philippine experience. Manila: DOH and United Children's Fund.
Chicago
Philippines, . 1993. National immunization day: the Philippine experience. Manila: DOH and United Children's Fund.
Harvard
Philippines, . (1993). National immunization day: the Philippine experience. Manila: DOH and United Children's Fund.
MLA
Philippines, . National immunization day: the Philippine experience. Manila: DOH and United Children's Fund. 1993.