DOEACC Society. (2001). Quanbook `O` level: Model questions Vol II PC Software. BPB.
Lua i Stíl Chicago (17ú heag.)DOEACC Society. Quanbook `O` Level: Model Questions Vol II PC Software. New Delhi: BPB, 2001.
Lua MLA (9ú heag.)DOEACC Society. Quanbook `O` Level: Model Questions Vol II PC Software. BPB, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.