Blunden, W., & Black, J. (1984). The land-use transport system (2nd ed.). Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Blunden, W.R, agus J.A Black. The Land-use Transport System. 2nd ed. Sydney: Pergamon Press, 1984.
Lua MLA (9ú heag.)Blunden, W.R, agus J.A Black. The Land-use Transport System. 2nd ed. Pergamon Press, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.