Gaya APA

Dudley-Evans, T. et al (1998). Developments in English for specific purposes : a multi-disciplinary approach (Cet. 1). Cambridge: Cambridge University Press.

Gaya MLA

Dudley-Evans, Tony. et al. "Developments in English for specific purposes : a multi-disciplinary approach". Cet. 1 Cambridge: Cambridge University Press, 1998. Text.