APA (7th ed.) Zitazioa
(2021). The Art and Science of Heroism and Heroic Leadership. Frontiers Media SA.
Chicago Style (17th ed.) Zitazioa
The Art and Science of Heroism and Heroic Leadership. Frontiers Media SA, 2021.
MLA (9th ed.) Zitazioa
The Art and Science of Heroism and Heroic Leadership. Frontiers Media SA, 2021.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.