APA
UNITED NATIONS EDUCATIONAL S. A. C. O., UNITED NATIONS EDUCATIONAL S. A. C. O., . (1983). International understanding at school. Circular No. 45, 1983. Paris: Unesco France.
Chicago
UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, . 1983. International understanding at school. Circular No. 45, 1983. Paris: Unesco France.
Harvard
UNITED NATIONS EDUCATIONAL S. A. C. O., UNITED NATIONS EDUCATIONAL S. A. C. O., . (1983). International understanding at school. Circular No. 45, 1983. Paris: Unesco France.
MLA
UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, . International understanding at school. Circular No. 45, 1983. Paris: Unesco France. 1983.