Oakeley, H. D. (1923). History & progress: And other essays and addresses. Allen & Unwin.
Lua i Stíl Chicago (17ú heag.)Oakeley, Hilda Diana. History & Progress: And Other Essays and Addresses. London: Allen & Unwin, 1923.
Lua MLA (8ú heag.)Oakeley, Hilda Diana. History & Progress: And Other Essays and Addresses. Allen & Unwin, 1923.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.