Sharma Arun. (2012). Basic numeracy for general studies-Paper ll. New Delhi.
Chicago Style aipamenaSharma Arun. Basic Numeracy for General Studies-Paper Ll. New Delhi, 2012.
MLA aipamenaSharma Arun. Basic Numeracy for General Studies-Paper Ll. New Delhi, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.