Basic learning competencies and teachers guide for the elementary retarded: Elementary mathematics. Special Education Division, Bureau of Elementary Education.
Citazione stile Chigago Style (17a edizione)Basic Learning Competencies and Teachers Guide for the Elementary Retarded: Elementary Mathematics. Manila: Special Education Division, Bureau of Elementary Education.
Citatione MLA (9a ed.)Basic Learning Competencies and Teachers Guide for the Elementary Retarded: Elementary Mathematics. Special Education Division, Bureau of Elementary Education.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.