APA Citation

(1987). XVIIIth World Road Congress: Interurban Roads And Motorways. Germany: PIARC.

Chicago Style Citation

XVIIIth World Road Congress: Interurban Roads And Motorways. Germany: PIARC, 1987.

MLA Citation

XVIIIth World Road Congress: Interurban Roads And Motorways. Germany: PIARC, 1987.

Warning: These citations may not always be 100% accurate.