APA (7e ed.) Bronvermelding

Graff, W. L. (1964). Language and languages: An introduction to linguistics. Russell and Russell.

Chicago (17e ed.) Bronvermelding

Graff, Willem Laurens. Language and Languages: An Introduction to Linguistics. New York: Russell and Russell, 1964.

MLA (9e ed.) Bronvermelding

Graff, Willem Laurens. Language and Languages: An Introduction to Linguistics. Russell and Russell, 1964.