Hill, L. (1962). English sounds and spellings. O.U.P.
Cita Chicago (17th ed.)Hill, L. English Sounds and Spellings. London: O.U.P, 1962.
Cita MLA (9th ed.)Hill, L. English Sounds and Spellings. O.U.P, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.