Swales, J. (1986). English for specifiable purposes. SEAMEO Regional Language Center.
Lua i Stíl Chicago (17ú heag.)Swales, John. English for Specifiable Purposes. Singapore: SEAMEO Regional Language Center, 1986.
Lua MLA (9ú heag.)Swales, John. English for Specifiable Purposes. SEAMEO Regional Language Center, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.