Gilman, A. (1870). First steps in general history: A suggestive outline (3d ed., rev.). A.S. Barnes & Co.
Lua i Stíl Chicago (17ú heag.)Gilman, Arthur. First Steps in General History: A Suggestive Outline. 3d ed., rev. New York: A.S. Barnes & Co, 1870.
Lua MLA (8ú heag.)Gilman, Arthur. First Steps in General History: A Suggestive Outline. 3d ed., rev. A.S. Barnes & Co, 1870.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.