APA (7th ed.) Citation

-. (2018). Simbol Braille Matematika Jilid Braille 2. Balai Literasi Braille Indonesia (BLBI) Abiyoso.

Chicago Style (17th ed.) Citation

-. Simbol Braille Matematika Jilid Braille 2. Balai Literasi Braille Indonesia (BLBI) Abiyoso, 2018.

MLA (8th ed.) Citation

-. Simbol Braille Matematika Jilid Braille 2. Balai Literasi Braille Indonesia (BLBI) Abiyoso, 2018.

Warning: These citations may not always be 100% accurate.