APA
DOEACC Society, . (1996). Quanbook 'O' level : model questions-all modules. Wheeler, New Delhi: .
Chicago
DOEACC Society, . 1996. Quanbook 'O' level : model questions-all modules. Wheeler, New Delhi: .
Harvard
DOEACC Society, . (1996). Quanbook 'O' level : model questions-all modules. Wheeler, New Delhi: .
MLA
DOEACC Society, . Quanbook 'O' level : model questions-all modules. Wheeler, New Delhi: . 1996.