APA (7th ed.) Zitazioa
by Tuju Raphael. (1990). It's not easy (TVE international.). Ace Communications.
Chicago Style (17th ed.) Zitazioa
by Tuju Raphael. It's Not Easy. TVE international. Nairobi, Kenya: Ace Communications, 1990.
MLA (9th ed.) Zitazioa
by Tuju Raphael. It's Not Easy. TVE international. Ace Communications, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.