APA
(2013). Cyber olympiad resource book class VI. Hydrabad: Brain mapping academy.
Chicago
2013. Cyber olympiad resource book class VI. Hydrabad: Brain mapping academy.
Harvard
(2013). Cyber olympiad resource book class VI. Hydrabad: Brain mapping academy.
MLA
Cyber olympiad resource book class VI. Hydrabad: Brain mapping academy. 2013.