Cita APA (7th ed.)

O'Brien,Derek. (2014). Bournvita quiz contest quiz book 2014 (NA.). Rupa Publication.

Cita Chicago (17th ed.)

O'Brien,Derek. Bournvita Quiz Contest Quiz Book 2014. NA. New Delhi: Rupa Publication, 2014.

Cita MLA (9th ed.)

O'Brien,Derek. Bournvita Quiz Contest Quiz Book 2014. NA. Rupa Publication, 2014.