Aruna Koneru. (2011). English language skills. Tata McGraw Hill.
Chicago Style aipamenaAruna Koneru. English Language Skills. New Delhi: Tata McGraw Hill, 2011.
MLA aipamenaAruna Koneru. English Language Skills. Tata McGraw Hill, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.