Cita APA (7th ed.)

Dudley-Evans, T., & St. John, M. (1998). Developments in ESP: A multi-disciplinary approach. Cambridge University Press.

Cita Chicago (17th ed.)

Dudley-Evans, Tony, i Maggie-Jo St. John. Developments in ESP: A Multi-disciplinary Approach. New York: Cambridge University Press, 1998.

Cita MLA (8th ed.)

Dudley-Evans, Tony, i Maggie-Jo St. John. Developments in ESP: A Multi-disciplinary Approach. Cambridge University Press, 1998.