Georgia. Department of Education. Division of Curriculum and Instructional Services. "The new Georgia performance standards: 4th grade [2005]." University of Georgia. Map and Government Information Library. 2005, https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-be300-pc8-bm1-b2005-bf6-belec-p-btext.

Georgia. Department of Education. Division of Curriculum and Instructional Services (2005). The new Georgia performance standards: 4th grade [2005]. Retrieved from https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-be300-pc8-bm1-b2005-bf6-belec-p-btext

Georgia. Department of Education. Division of Curriculum and Instructional Services. "The new Georgia performance standards: 4th grade [2005]." 2005. July 30, 2025. https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-be300-pc8-bm1-b2005-bf6-belec-p-btext.