Meyer, R. J. (1908). The world in which we live. B. Herder.
Lua i Stíl Chicago (17ú heag.)Meyer, R. J. The World in Which We Live. St. Louis, Mo., Freiburg (Baden): B. Herder, 1908.
Lua MLA (8ú heag.)Meyer, R. J. The World in Which We Live. B. Herder, 1908.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.