APA (7th ed.) Zitazioa
WBSCTE. (2002). English skills for technical students. Orient Longman.
Chicago Style (17th ed.) Zitazioa
WBSCTE. English Skills for Technical Students. Kolkata: Orient Longman, 2002.
MLA (9th ed.) Zitazioa
WBSCTE. English Skills for Technical Students. Orient Longman, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.