APA (7th ed.) Citation

Mohammed, A. A. D. (2013). Butterfly book A: Elementary abacus program. College of Brain Gum International.

Chicago Style (17th ed.) Citation

Mohammed, Assheikh A.A Dheen. Butterfly Book A: Elementary Abacus Program. Colombo: College of Brain Gum International, 2013.

MLA (9th ed.) Citation

Mohammed, Assheikh A.A Dheen. Butterfly Book A: Elementary Abacus Program. College of Brain Gum International, 2013.