RADFORD, A. (1948). Transformational grammar: A first Course. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)RADFORD, Andrew. Transformational Grammar: A First Course. Cambridge University Press, 1948.
Lua MLA (9ú heag.)RADFORD, Andrew. Transformational Grammar: A First Course. Cambridge University Press, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.