KELLEY, J. L. (1968). Algrbra a modern introduction. Nostrand.
Cita Chicago (17th ed.)KELLEY, John L. Algrbra a Modern Introduction. Princeton: Nostrand, 1968.
Cita MLA (9th ed.)KELLEY, John L. Algrbra a Modern Introduction. Nostrand, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.