Wall, R. (1972). Introduction to mathematical linguistics. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Wall, Robert. Introduction to Mathematical Linguistics. Englewood Cliffs, N.J: Prentice-Hall, 1972.
Lua MLA (9ú heag.)Wall, Robert. Introduction to Mathematical Linguistics. Prentice-Hall, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.