Sharp, H. (1965). Finite functions: An introduction to combinatorial mathematics QA. Prentice-Hall.
Cita Chicago (17th ed.)Sharp, Henry. Finite Functions: An Introduction to Combinatorial Mathematics QA. Englewood Cliffs, N.J: Prentice-Hall, 1965.
Cita MLA (9th ed.)Sharp, Henry. Finite Functions: An Introduction to Combinatorial Mathematics QA. Prentice-Hall, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.