(1997). Introducing the National Science Education Standards. Center for Science, Mathematics, and Engineering Education, National Research Council.
Chicago-Zitierstil (17. Ausg.)Introducing the National Science Education Standards. Washington, DC: Center for Science, Mathematics, and Engineering Education, National Research Council, 1997.
MLA-Zitierstil (9. Ausg.)Introducing the National Science Education Standards. Center for Science, Mathematics, and Engineering Education, National Research Council, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.