International Association for the Evaluation of Educational Achievement, Third International Mathematics and Science Study-Repeat, & Martin, M. O. (2000). TIMSS 1999: International science report : findings from IEA's repeat of the Third International Mathematics and Science Study at the eighth grade. International Study Center, Boston College, Lynch School of Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Association for the Evaluation of Educational Achievement, Third International Mathematics and Science Study-Repeat, και Michael O. Martin. TIMSS 1999: International Science Report : Findings from IEA's Repeat of the Third International Mathematics and Science Study at the Eighth Grade. Chestnut Hill, MA: International Study Center, Boston College, Lynch School of Education, 2000.
Παραπομπή σε μορφή MLA (9th εκδ.)International Association for the Evaluation of Educational Achievement, et al. TIMSS 1999: International Science Report : Findings from IEA's Repeat of the Third International Mathematics and Science Study at the Eighth Grade. International Study Center, Boston College, Lynch School of Education, 2000.