Basic learning competencies and teachers guide for the mentally retarded: Communication arts, Filipino. Special Education Division, Bureau of Elementary Education.
Chicago-viite (17. p.)Basic Learning Competencies and Teachers Guide for the Mentally Retarded: Communication Arts, Filipino. Manila: Special Education Division, Bureau of Elementary Education.
MLA-viite (9. p.)Basic Learning Competencies and Teachers Guide for the Mentally Retarded: Communication Arts, Filipino. Special Education Division, Bureau of Elementary Education.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.