APA (7th ed.) Zitazioa
Gupta, K. (1991). Contemporary auditing for students (4th ed.). McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Gupta, Kamal. Contemporary Auditing for Students. 4th ed. New Delhi: McGraw-Hill, 1991.
MLA (9th ed.) Zitazioa
Gupta, Kamal. Contemporary Auditing for Students. 4th ed. McGraw-Hill, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.