Lua APA (7ú heag.)
Sing,Gurucharan, & Sing, J. (2008). Highway Engineering (5th ed.). Standard Publishers.
Lua i Stíl Chicago (17ú heag.)
Sing,Gurucharan, agus Jagdish Sing. Highway Engineering. 5th ed. Delhi: Standard Publishers, 2008.
Lua MLA (9ú heag.)
Sing,Gurucharan, agus Jagdish Sing. Highway Engineering. 5th ed. Standard Publishers, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.