Woolard G. George. (2005). Key Words for Fluency. Intermediate collocation practice: Learning and practising the most useful words of English. London, Thomson, 2005.
Lua i Stíl Chicago (17ú heag.)Woolard G. George. Key Words for Fluency. Intermediate Collocation Practice: Learning and Practising the Most Useful Words of English. London, Thomson, 2005, 2005.
Lua MLA (9ú heag.)Woolard G. George. Key Words for Fluency. Intermediate Collocation Practice: Learning and Practising the Most Useful Words of English. London, Thomson, 2005, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.