Ward , J. (1970). Pecnliarities in English Grammer. Longman Green.
Lua i Stíl Chicago (17ú heag.)Ward , John. Pecnliarities in English Grammer. London: Longman Green, 1970.
Lua MLA (9ú heag.)Ward , John. Pecnliarities in English Grammer. Longman Green, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.