Center for History in the Schools, Crabtree, C., & Nash, G. B. (1994). National standards for world history: Exploring path to the present (Grades 5 - 12, expanded ed., includ. examples of student achievement.). National Center for History in the Schools, Univ. of California.
Cita Chicago Style (17a ed.)Center for History in the Schools, Charlotte Crabtree, y Gary B. Nash. National Standards for World History: Exploring Path to the Present. Grades 5 - 12, expanded ed., includ. examples of student achievement. Los Angeles, Calif: National Center for History in the Schools, Univ. of California, 1994.
Cita MLA (9a ed.)Center for History in the Schools, et al. National Standards for World History: Exploring Path to the Present. Grades 5 - 12, expanded ed., includ. examples of student achievement. National Center for History in the Schools, Univ. of California, 1994.