Pline, J. L. (1992). Traffic engineering handbook (4a. ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Pline, James L. Traffic Engineering Handbook. 4a. ed. Englewood Cliffs: Prentice-Hall, 1992.
Lua MLA (9ú heag.)Pline, James L. Traffic Engineering Handbook. 4a. ed. Prentice-Hall, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.