APA (7th ed.) Zitazioa
Prasad,Hari Mohan. (2010). Objective english for competitive examinations (4th ed.). TMH.
Chicago Style (17th ed.) Zitazioa
Prasad,Hari Mohan. Objective English for Competitive Examinations. 4th ed. New Delhi: TMH, 2010.
MLA (9th ed.) Zitazioa
Prasad,Hari Mohan. Objective English for Competitive Examinations. 4th ed. TMH, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.