American Historical Association, National Board for Historical Service, & National Council for the Social Studies. (1918). Historical outlook: A journal for readers, students and teachers of history. McKinley Pub. Co..
Lua i Stíl Chicago (17ú heag.)American Historical Association, National Board for Historical Service, agus National Council for the Social Studies. Historical Outlook: A Journal for Readers, Students and Teachers of History. Philadelphia, Pa.: McKinley Pub. Co., 1918.
Lua MLA (9ú heag.)American Historical Association, et al. Historical Outlook: A Journal for Readers, Students and Teachers of History. McKinley Pub. Co., 1918.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.