Παραπομπή APA

Berge, C. (1976). Graphs and hypergraphs. North Holland.

Παραπομπή Chicago Style

Berge, Claude. Graphs and Hypergraphs. Amsterdam: North Holland, 1976.

Παραπομπή MLA

Berge, Claude. Graphs and Hypergraphs. North Holland, 1976.