(1993). Beautiful Barrier-free: A Visual To Accessibility / Cynthia Leibrock. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)Beautiful Barrier-free: A Visual To Accessibility / Cynthia Leibrock. Van Nostrand Reinhold, 1993.
Lua MLA (8ú heag.)Beautiful Barrier-free: A Visual To Accessibility / Cynthia Leibrock. Van Nostrand Reinhold, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.