APA (7th ed.) Citation

International Road Federation. (1981). IXth IRF World Meeting, Stockholm, 1st -5th June, 1981: TS3 - Road design and safety. The Federation.

Chicago Style (17th ed.) Citation

International Road Federation. IXth IRF World Meeting, Stockholm, 1st -5th June, 1981: TS3 - Road Design and Safety. [Stockholm: The Federation, 1981.

MLA (9th ed.) Citation

International Road Federation. IXth IRF World Meeting, Stockholm, 1st -5th June, 1981: TS3 - Road Design and Safety. The Federation, 1981.

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