Welsh, A. H. (1884). Essentials of English for schools, colleges, and private study. S.C. Griggs and Company.
Lua i Stíl Chicago (17ú heag.)Welsh, Alfred H. Essentials of English for Schools, Colleges, and Private Study. Chicago: S.C. Griggs and Company, 1884.
Lua MLA (8ú heag.)Welsh, Alfred H. Essentials of English for Schools, Colleges, and Private Study. S.C. Griggs and Company, 1884.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.