Head, J. (2011). No nails, no lumber: The bubble houses of Wallace Neff. Princeton Architectural Press.
Lua i Stíl Chicago (17ú heag.)Head, Jeffrey. No Nails, No Lumber: The Bubble Houses of Wallace Neff. New York: Princeton Architectural Press, 2011.
Lua MLA (9ú heag.)Head, Jeffrey. No Nails, No Lumber: The Bubble Houses of Wallace Neff. Princeton Architectural Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.