Philippines. National Educational Testing Center, Educational Development Project Implementing Task Force, & International Development Research Centre (Canada). (1982). Literacy retention among dropouts from the Philippine elementary schools: A report. National Educational Testing Center.
Chicago-viite (17. p.)Philippines. National Educational Testing Center, Educational Development Project Implementing Task Force, ja International Development Research Centre (Canada). Literacy Retention Among Dropouts from the Philippine Elementary Schools: A Report. Manila: National Educational Testing Center, 1982.
MLA-viite (9. p.)Philippines. National Educational Testing Center, et al. Literacy Retention Among Dropouts from the Philippine Elementary Schools: A Report. National Educational Testing Center, 1982.