APA

PIARC. World road congress 17 S. A. 8. O. 1., . (1983). Flexible roads. Paris: PIARC. World road congress 17, Sydney, Australia, 8-15 October, 1983.

Chicago

PIARC. World road congress 17 Sydney Australia 8-15 October 1983, . 1983. Flexible roads. Paris: PIARC. World road congress 17, Sydney, Australia, 8-15 October, 1983.

Harvard

PIARC. World road congress 17 S. A. 8. O. 1., . (1983). Flexible roads. Paris: PIARC. World road congress 17, Sydney, Australia, 8-15 October, 1983.

MLA

PIARC. World road congress 17 Sydney Australia 8-15 October 1983, . Flexible roads. Paris: PIARC. World road congress 17, Sydney, Australia, 8-15 October, 1983. 1983.