Hurford, J. R. (1975). The linguistic theory of numerals. Cambridge University Press.
Cita Chicago (17th ed.)Hurford, James R. The Linguistic Theory of Numerals. Cambridge, [Eng.]: Cambridge University Press, 1975.
Cita MLA (9th ed.)Hurford, James R. The Linguistic Theory of Numerals. Cambridge University Press, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.