DIXSON, R. J. (1971). Exercise in english conversation: Book 2. Regents.
Lua i Stíl Chicago (17ú heag.)DIXSON, Robert J. Exercise in English Conversation: Book 2. s.n: Regents, 1971.
Lua MLA (9ú heag.)DIXSON, Robert J. Exercise in English Conversation: Book 2. Regents, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.