Não informado. (1969). Highways & Traffic Engineering. IPC Building and Contract Journals.
Čikaški stil citiranja (17. izdanje)Não informado. Highways & Traffic Engineering. London: IPC Building and Contract Journals, 1969.
MLA način citiranja (8. izdanje)Não informado. Highways & Traffic Engineering. IPC Building and Contract Journals, 1969.
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