APA
International Bureau of Education, . (1947). Bulletin No. 85. Geneva: I.B.E.
Chicago
International Bureau of Education, . 1947. Bulletin No. 85. Geneva: I.B.E.
Harvard
International Bureau of Education, . (1947). Bulletin No. 85. Geneva: I.B.E.
MLA
International Bureau of Education, . Bulletin No. 85. Geneva: I.B.E. 1947.