APA (7th ed.) Zitazioa
Harary, F. (2001). Graph theory. Narosa Pub.
Chicago Style (17th ed.) Zitazioa
Harary, Frank. Graph Theory. Calcutta: Narosa Pub, 2001.
MLA (9th ed.) Zitazioa
Harary, Frank. Graph Theory. Narosa Pub, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.