APA-viite

Berge, C. (1989). Hyper graphs: Combinatorics of finite sets.

Chicago-tyylinen lähdeviittaus

Berge, C. Hyper Graphs: Combinatorics of Finite Sets. North Holland, 1989.

MLA-viite

Berge, C. Hyper Graphs: Combinatorics of Finite Sets. 1989.