Abraham, H. J. (1973). World problems in the classroom : a teacher's guide to some United Nations tasks: A teacher's guide to some United Nations tasks. Unesco ;.
Chicago Style (17th ed.) CitationAbraham, Herbert J. World Problems in the Classroom : A Teacher's Guide to Some United Nations Tasks: A Teacher's Guide to Some United Nations Tasks. Paris ; [London: Unesco ;, 1973.
MLA (9th ed.) CitationAbraham, Herbert J. World Problems in the Classroom : A Teacher's Guide to Some United Nations Tasks: A Teacher's Guide to Some United Nations Tasks. Unesco ;, 1973.
Warning: These citations may not always be 100% accurate.