Lua APA (7ú heag.)

Betts, E. A., & Greene, H. A. (1958). Daily drills in language skills. Row, Peterson and Co..

Lua i Stíl Chicago (17ú heag.)

Betts, Emmett A., agus Harry A. Greene. Daily Drills in Language Skills. Evanston, Ill. : Elmsford, N.Y.: Row, Peterson and Co., 1958.

Lua MLA (8ú heag.)

Betts, Emmett A., agus Harry A. Greene. Daily Drills in Language Skills. Row, Peterson and Co., 1958.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.