Berge, C. (1989). Hyper graphs: Combinatorics of finite sets.
Chicago Style aipamenaBerge, C. Hyper Graphs: Combinatorics of Finite Sets. North Holland, 1989.
MLA aipamenaBerge, C. Hyper Graphs: Combinatorics of Finite Sets. 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.