APA (7th ed.) Zitazioa
Gibran, K. A tear and a smile / by Khalil Gibran.
Chicago Style (17th ed.) Zitazioa
Gibran, Kahlil. A Tear and a Smile / by Khalil Gibran.
MLA (9th ed.) Zitazioa
Gibran, Kahlil. A Tear and a Smile / by Khalil Gibran.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.