Crystal, D. (1971). Linguistics. Penguin.
Cita Chicago Style (17a ed.)Crystal, David. Linguistics. Middlesex: Penguin, 1971.
Cita MLA (8a ed.)Crystal, David. Linguistics. Penguin, 1971.
Precaución: Estas citas no son 100% exactas.
Crystal, D. (1971). Linguistics. Penguin.
Cita Chicago Style (17a ed.)Crystal, David. Linguistics. Middlesex: Penguin, 1971.
Cita MLA (8a ed.)Crystal, David. Linguistics. Penguin, 1971.