Tangara, E. P. (1989). Socioeconomic conditions and government programs and their relation to infant and childhood mortality: A review of immunization studies. National Economic and Development Authority, Population/Development Planning and Research Project.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিTangara, Elvira Polito. Socioeconomic Conditions and Government Programs and Their Relation to Infant and Childhood Mortality: A Review of Immunization Studies. [Quezon City]: National Economic and Development Authority, Population/Development Planning and Research Project, 1989.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিTangara, Elvira Polito. Socioeconomic Conditions and Government Programs and Their Relation to Infant and Childhood Mortality: A Review of Immunization Studies. National Economic and Development Authority, Population/Development Planning and Research Project, 1989.