Yell, Mitchell L.; Katsiyannis, Antonis; Ryan, Joseph B.; McDuffie, Kimberly (November 2008). "Recovery of Expert Fees in Special Education Due Process Hearings". Intervention in School and Clinic. 44 (2): 112–115. doi:10.1177/1053451208321601. S2CID145086428.
Yell, Mitchell L.; Katsiyannis, Antonis; Ryan, Joseph B.; McDuffie, Kimberly (November 2008). "Recovery of Expert Fees in Special Education Due Process Hearings". Intervention in School and Clinic. 44 (2): 112–115. doi:10.1177/1053451208321601. S2CID145086428.