Cita APA (7th ed.)

Roberts, F. S., & Tesman, B. Applied combinatorics (2nd ed.).

Cita Chicago (17th ed.)

Roberts, Fred S., i Barry Tesman. Applied Combinatorics. 2nd ed.

Cita MLA (8th ed.)

Roberts, Fred S., i Barry Tesman. Applied Combinatorics. 2nd ed.