The IEA study of mathematics I :
analysis of mathematics curricula /
[edited by] Kenneth J. Travers and Ian Westbury, with assistance from Elizabeth E. Oldham [and others].
APA Citation
Westbury, I., Travers, K. J., International Association for the Evaluation of Educational Achievement. (1989). The IEA study of mathematics I: analysis of mathematics curricula. Oxford: Published for the International Association for Educational Achievement by Pergamon Press.
MLA Citation
Westbury, Ian, Kenneth J Travers, and International Association for the Evaluation of Educational Achievement. The IEA Study of Mathematics I: Analysis of Mathematics Curricula. Oxford: Published for the International Association for Educational Achievement by Pergamon Press, 1989.
Warning: These citations may not always be complete (especially for serials).