(ECS), E. C. o. t. S., EdTrust, Erwin, B., & Levitan, S. (2024). A Policymaker's Guide to State Summative Assessment Systems. Policy Guide. Education Commission of the States.
Παραπομπή σε μορφή Chicago (17η εκδ.)(ECS), Education Commission of the States, EdTrust, Ben Erwin, και Shayna Levitan. "A Policymaker's Guide to State Summative Assessment Systems. Policy Guide." Education Commission of the States 2024.
Παραπομπή σε μορφή MLA (9th εκδ.)(ECS), Education Commission of the States, et al. "A Policymaker's Guide to State Summative Assessment Systems. Policy Guide." Education Commission of the States, 2024.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.