DIXSON, R. J. (1972). Tests and drills in english grammar: Book 1.-- Ed.Revised. Regents Publishing.
Lua i Stíl Chicago (17ú heag.)DIXSON, Robert J. Tests and Drills in English Grammar: Book 1.-- Ed.Revised. [sl.]: Regents Publishing, 1972.
Lua MLA (9ú heag.)DIXSON, Robert J. Tests and Drills in English Grammar: Book 1.-- Ed.Revised. Regents Publishing, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.