National Center for History in the Schools (U.S.), Center for History in the Schools, Nash, G. B., & Crabtree, C. A. (1996). National standards for history: Basic edition. National Center for History in the Schools, University of California, Los Angeles.
Chicago-Zitierstil (17. Ausg.)National Center for History in the Schools (U.S.), Center for History in the Schools, Gary B. Nash, und Charlotte Antoinette Crabtree. National Standards for History: Basic Edition. Los Angeles, CA: National Center for History in the Schools, University of California, Los Angeles, 1996.
MLA-Zitierstil (9. Ausg.)National Center for History in the Schools (U.S.), et al. National Standards for History: Basic Edition. National Center for History in the Schools, University of California, Los Angeles, 1996.