APA

International Bureau of Education, . (1963). The organization of educational and vocational guidance: research in comparative education. Austria, Belgium, Brazil (etc) Geneva: .

Chicago

International Bureau of Education, . 1963. The organization of educational and vocational guidance: research in comparative education. Austria, Belgium, Brazil (etc) Geneva: .

Harvard

International Bureau of Education, . (1963). The organization of educational and vocational guidance: research in comparative education. Austria, Belgium, Brazil (etc) Geneva: .

MLA

International Bureau of Education, . The organization of educational and vocational guidance: research in comparative education. Austria, Belgium, Brazil (etc) Geneva: . 1963.