French, J. C., & Wheeler, P. M. (1934). Practice work in college English. American Book.
Lua i Stíl Chicago (17ú heag.)French, John Calvin, agus Paul Mowbray Wheeler. Practice Work in College English. New York: American Book, 1934.
Lua MLA (9ú heag.)French, John Calvin, agus Paul Mowbray Wheeler. Practice Work in College English. American Book, 1934.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.