(1998). Mathematics and science achievment in the final year of secondary school: IEA's third international mathematics and science study (TIMSS) (February 1998.). TIMSS Internat. Study Center.
Chicago-Zitierstil (17. Ausg.)Mathematics and Science Achievment in the Final Year of Secondary School: IEA's Third International Mathematics and Science Study (TIMSS). February 1998. Chestnut Hill, MA: TIMSS Internat. Study Center, 1998.
MLA-Zitierstil (9. Ausg.)Mathematics and Science Achievment in the Final Year of Secondary School: IEA's Third International Mathematics and Science Study (TIMSS). February 1998. TIMSS Internat. Study Center, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.