International Geographical Union. Commission on Geography in Education, Unesco-IGU Regional Workshop on the Teaching of Geography, & Graves, N. (1975). Teaching materials on population, international understanding and environmental education. Unesco.
Chicago Style (17th ed.) CitationInternational Geographical Union. Commission on Geography in Education, Unesco-IGU Regional Workshop on the Teaching of Geography, and Norman Graves. Teaching Materials on Population, International Understanding and Environmental Education. [Paris]: Unesco, 1975.
MLA (9th ed.) CitationInternational Geographical Union. Commission on Geography in Education, et al. Teaching Materials on Population, International Understanding and Environmental Education. Unesco, 1975.
Warning: These citations may not always be 100% accurate.