WENGATZ, G. F. (1973). City Traffic. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)WENGATZ, Gunter F. City Traffic. Van Nostrand Reinhold, 1973.
Lua MLA (8ú heag.)WENGATZ, Gunter F. City Traffic. Van Nostrand Reinhold, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.