Łęcki, A. M. (2010). Grammaticalisation paths of Have in English. Peter Lang.
Lua i Stíl Chicago (17ú heag.)Łęcki, Andrzej M. Grammaticalisation Paths of Have in English. Frankfurt am Main ; Oxford: Peter Lang, 2010.
Lua MLA (9ú heag.)Łęcki, Andrzej M. Grammaticalisation Paths of Have in English. Peter Lang, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.