LAPINSKI, M. A. Road And Bridge Construction Handbook Michael A. Lapinski. Van Nostrand Reinhold Company.
Lua i Stíl Chicago (17ú heag.)LAPINSKI, Michael A. Road And Bridge Construction Handbook Michael A. Lapinski. Van Nostrand Reinhold Company.
Lua MLA (8ú heag.)LAPINSKI, Michael A. Road And Bridge Construction Handbook Michael A. Lapinski. Van Nostrand Reinhold Company.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.