APA
(1962). international yearbook of education volume .xxiii -1961. Geneva: Internaional Bureau of education.
Chicago
1962. international yearbook of education volume .xxiii -1961. Geneva: Internaional Bureau of education.
Harvard
(1962). international yearbook of education volume .xxiii -1961. Geneva: Internaional Bureau of education.
MLA
international yearbook of education volume .xxiii -1961. Geneva: Internaional Bureau of education. 1962.