Froebel, F. (1893). The education of man. D. Appleton.
Lua i Stíl Chicago (17ú heag.)Froebel, Friedrich. The Education of Man. D. Appleton, 1893.
Lua MLA (9ú heag.)Froebel, Friedrich. The Education of Man. D. Appleton, 1893.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.