APA

PIARC. World road congress 17 S. A. 8. O. 1. Q. I., . (1983). Earthworks, drainage, subgrade. Paris: PIARC. World road congress 17, Sydney, Australia, 8-15 October 1983. Question I.

Chicago

PIARC. World road congress 17 Sydney Australia 8-15 October 1983 Question I, . 1983. Earthworks, drainage, subgrade. Paris: PIARC. World road congress 17, Sydney, Australia, 8-15 October 1983. Question I.

Harvard

PIARC. World road congress 17 S. A. 8. O. 1. Q. I., . (1983). Earthworks, drainage, subgrade. Paris: PIARC. World road congress 17, Sydney, Australia, 8-15 October 1983. Question I.

MLA

PIARC. World road congress 17 Sydney Australia 8-15 October 1983 Question I, . Earthworks, drainage, subgrade. Paris: PIARC. World road congress 17, Sydney, Australia, 8-15 October 1983. Question I. 1983.