APA (7th ed.) Zitazioa

Dudley-Evans, T., & St. John, M. J. (1998). Developments in ESP: A multi-disciplinary approach (1a. ed.). Cambridge University.

Chicago Style (17th ed.) Zitazioa

Dudley-Evans, Tony, eta Maggie Jo St. John. Developments in ESP: A Multi-disciplinary Approach. 1a. ed. Cambridge: Cambridge University, 1998.

MLA (9th ed.) Zitazioa

Dudley-Evans, Tony, eta Maggie Jo St. John. Developments in ESP: A Multi-disciplinary Approach. 1a. ed. Cambridge University, 1998.