Silverman, D., & Torode, B. (1980). The material word: Some theories of language and its limits. Routledge & Kegan Paul.
Cita Chicago (17th ed.)Silverman, David, i Brian Torode. The Material Word: Some Theories of Language and Its Limits. London, Boston: Routledge & Kegan Paul, 1980.
Cita MLA (9th ed.)Silverman, David, i Brian Torode. The Material Word: Some Theories of Language and Its Limits. Routledge & Kegan Paul, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.