International Association for the Evaluation of Educational Achievement, Rosier, M. J., & Keeves, J. P. (1991). The IEA study of science I: Science education and curricula in twenty-three countries. Published for the International Association for the Evaluation of Educational Achievement by Pergamon Press.
Chicago-viite (17. p.)International Association for the Evaluation of Educational Achievement, Malcolm J. Rosier, ja John P. Keeves. The IEA Study of Science I: Science Education and Curricula in Twenty-three Countries. Oxford: Published for the International Association for the Evaluation of Educational Achievement by Pergamon Press, 1991.
MLA-viite (9. p.)International Association for the Evaluation of Educational Achievement, et al. The IEA Study of Science I: Science Education and Curricula in Twenty-three Countries. Published for the International Association for the Evaluation of Educational Achievement by Pergamon Press, 1991.