Cita APA (7th ed.)

Bari, R. A., & Harary, F. (1974). Graphs and combinatorics. Springer-Verlag.

Cita Chicago (17th ed.)

Bari, Ruth A., i Frank Harary. Graphs and Combinatorics. Berlín: Springer-Verlag, 1974.

Cita MLA (9th ed.)

Bari, Ruth A., i Frank Harary. Graphs and Combinatorics. Springer-Verlag, 1974.