Laubach, F. C., Kirk, E. M., & Laubach, R. S. (1969). The new streamlined English series. New Readers Press.
Lua i Stíl Chicago (17ú heag.)Laubach, Frank Charles, Elizabeth Mooney Kirk, agus Robert S. Laubach. The New Streamlined English Series. Syracuse: New Readers Press, 1969.
Lua MLA (8ú heag.)Laubach, Frank Charles, et al. The New Streamlined English Series. New Readers Press, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.