APA引文

United Nations Educational Scientific Cultural Organization & Graves, N. J. (1982). New Unesco sourcebook for geography teaching. Longman/Unesco Press.

Chicago Style (17th ed.) Citation

United Nations Educational Scientific Cultural Organization and Norman J. Graves. New Unesco Sourcebook for Geography Teaching. London: Longman/Unesco Press, 1982.

MLA引文

United Nations Educational Scientific Cultural Organization and Norman J. Graves. New Unesco Sourcebook for Geography Teaching. Longman/Unesco Press, 1982.