PAPACOSTAS, C. (2002). TRANSPORTATION ENGINEERING AND PLANNING (3RD.). PEARSON, NEW DELHI.
Lua i Stíl Chicago (17ú heag.)PAPACOSTAS, C.S. TRANSPORTATION ENGINEERING AND PLANNING. 3RD. PEARSON, NEW DELHI, 2002.
Lua MLA (9ú heag.)PAPACOSTAS, C.S. TRANSPORTATION ENGINEERING AND PLANNING. 3RD. PEARSON, NEW DELHI, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.