Cita APA (7th ed.)

Ore, O., & Ore, O. a. W. (1990). Graphs and their uses. Mathematical Association of America.

Cita Chicago (17th ed.)

Ore, Oystein, i Oystein. and Wilson Ore. Graphs and Their Uses. Washington: Mathematical Association of America, 1990.

Cita MLA (9th ed.)

Ore, Oystein, i Oystein. and Wilson Ore. Graphs and Their Uses. Mathematical Association of America, 1990.