Graham, J. (1940). Housing in Scandinavia; urban and rural. The University of North Carolina press.
Lua i Stíl Chicago (17ú heag.)Graham, John. Housing in Scandinavia; Urban and Rural. Chapel Hill: The University of North Carolina press, 1940.
Lua MLA (9ú heag.)Graham, John. Housing in Scandinavia; Urban and Rural. The University of North Carolina press, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.