Roads and road construction year book & directory. Carriers Pub. Co..
Čikaški stil citiranja (17. izdanje)Roads and Road Construction Year Book & Directory. London: Carriers Pub. Co..
MLA način citiranja (8. izdanje)Roads and Road Construction Year Book & Directory. Carriers Pub. Co..
Upozorenje: Ovi citati možda nisu uvijek 100% točni.