APA (7th ed.) Zitazioa
Habib Helou, J. Kahlil Gibran a nonpareil artist / by Dr. Joseph Habib Helou.
Chicago Style (17th ed.) Zitazioa
Habib Helou, Joseph. Kahlil Gibran a Nonpareil Artist / by Dr. Joseph Habib Helou.
MLA (9th ed.) Zitazioa
Habib Helou, Joseph. Kahlil Gibran a Nonpareil Artist / by Dr. Joseph Habib Helou.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.