Howard, E., & Osborn, F. J. (1965). Garden cities of to-morrow. Faber and Faber ltd..
Lua i Stíl Chicago (17ú heag.)Howard, Ebenezer, agus Frederic James Osborn. Garden Cities of To-morrow. Cambridge ; Massachusetts: Faber and Faber ltd., 1965.
Lua MLA (8ú heag.)Howard, Ebenezer, agus Frederic James Osborn. Garden Cities of To-morrow. Faber and Faber ltd., 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.