APA (7th ed.) Zitazioa
Rai, U. (2010). English language communication skills (Rev. ed.). Himalaya Pub. House.
Chicago Style (17th ed.) Zitazioa
Rai, Urmila. English Language Communication Skills. Rev. ed. Mumbai [India]: Himalaya Pub. House, 2010.
MLA (9th ed.) Zitazioa
Rai, Urmila. English Language Communication Skills. Rev. ed. Himalaya Pub. House, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.