APA (7th ed.) Zitazioa
Kalam, A. Turning points: A journey through challenges.
Chicago Style (17th ed.) Zitazioa
Kalam, Abul. Turning Points: A Journey Through Challenges.
MLA (9th ed.) Zitazioa
Kalam, Abul. Turning Points: A Journey Through Challenges.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.