International Association for the Evaluation of Educational Achievement & Travers, K. J. (1989). The IEA study of mathematics (1. ed.). Pergamon Press.
Chicago Style (17th ed.) CitationInternational Association for the Evaluation of Educational Achievement and Kenneth J. Travers. The IEA Study of Mathematics. 1. ed. Oxford [u.a.]: Pergamon Press, 1989.
MLA (9th ed.) CitationInternational Association for the Evaluation of Educational Achievement and Kenneth J. Travers. The IEA Study of Mathematics. 1. ed. Pergamon Press, 1989.
Warning: These citations may not always be 100% accurate.