Morrow, J., McLean, A. C., & Blaisdell, T. C. (1903). Steps in English: Book I-II. American Book Co..
Lua i Stíl Chicago (17ú heag.)Morrow, John, A. C. McLean, agus Thomas C. Blaisdell. Steps in English: Book I-II. New York ; Cincinnati [etc.]: American Book Co., 1903.
Lua MLA (8ú heag.)Morrow, John, et al. Steps in English: Book I-II. American Book Co., 1903.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.