APA (7th ed.) Citation

Permanent International Association of Road Congresses & World Road Congress. (1979). Conference discussions: Maintenance of pavements. Permanent International Association of Road Congresses.

Chicago Style (17th ed.) Citation

Permanent International Association of Road Congresses and World Road Congress. Conference Discussions: Maintenance of Pavements. Paris: Permanent International Association of Road Congresses, 1979.

MLA (9th ed.) Citation

Permanent International Association of Road Congresses and World Road Congress. Conference Discussions: Maintenance of Pavements. Permanent International Association of Road Congresses, 1979.