A statistical study of wastage at school. (1972). UNITED Nations Educational Scientific and Cultural Organization, Office of Statistics. A statistical study of wastage at school: A study prepared for the International Buronu of Education. UNESCO.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিA statistical study of wastage at school. UNITED Nations Educational Scientific and Cultural Organization, Office of Statistics. A Statistical Study of wastage at School: A Study Prepared for the International Buronu of Education. UNESCO, 1972.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিA statistical study of wastage at school. UNITED Nations Educational Scientific and Cultural Organization, Office of Statistics. A Statistical Study of wastage at School: A Study Prepared for the International Buronu of Education. UNESCO, 1972.