Philippines. Bureau of Elementary Education. Special Education Division. (2003). Basic sign vocabulary for Filipino children. Special Education Division, Bureau of Elementary Education, Department of Education.
Čikaški stil citiranja (17. izdanje)Philippines. Bureau of Elementary Education. Special Education Division. Basic Sign Vocabulary for Filipino Children. Pasig City: Special Education Division, Bureau of Elementary Education, Department of Education, 2003.
MLA način citiranja (9. izdanje)Philippines. Bureau of Elementary Education. Special Education Division. Basic Sign Vocabulary for Filipino Children. Special Education Division, Bureau of Elementary Education, Department of Education, 2003.
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