Wall, R. (1972). Introduction to mathematical linguistics. Prentice-Hall.
Cita Chicago (17th ed.)Wall, Robert. Introduction to Mathematical Linguistics. Englewood Cliffs, N.J: Prentice-Hall, 1972.
Cita MLA (9th ed.)Wall, Robert. Introduction to Mathematical Linguistics. Prentice-Hall, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.