Cita APA

Wardhaugh, R. (1977). Introduction to Linguistics. New York: : McGraw-Hill Book.

Citación estilo Chicago

Wardhaugh, Ronald. Introduction to Linguistics. New York: : McGraw-Hill Book, 1977.

Cita MLA

Wardhaugh, Ronald. Introduction to Linguistics. New York: : McGraw-Hill Book, 1977.