Graff, W. L. (1964). Language and languages: An introduction to linguistics. Russell and Russell.
Citación estilo ChicagoGraff, Willem Laurens. Language and Languages: An Introduction to Linguistics. New York: Russell and Russell, 1964.
Cita MLAGraff, Willem Laurens. Language and Languages: An Introduction to Linguistics. Russell and Russell, 1964.
Warning: These citations may not always be 100% accurate.