APA aipamena

DOEACC Society. (2001). Quanbook `O` level: Model questions Vol II PC Software. BPB.

Chicago Style aipamena

DOEACC Society. Quanbook `O` Level: Model Questions Vol II PC Software. New Delhi: BPB, 2001.

MLA aipamena

DOEACC Society. Quanbook `O` Level: Model Questions Vol II PC Software. BPB, 2001.