Northwest Conference on Road Building Oregon State College, Corvallis. (1953). Proceedings of the 1953 Northwest Conference on Road Building [February 26-27, 1953, Oregon State College]. Engineering Experiment Station, Oregon State System of Higher Education, Oregon State College.
Chicago-referens (17:e uppl.)Northwest Conference on Road Building Oregon State College, Corvallis. Proceedings of the 1953 Northwest Conference on Road Building [February 26-27, 1953, Oregon State College]. Corvallis: Engineering Experiment Station, Oregon State System of Higher Education, Oregon State College, 1953.
MLA-referens (8:e uppl.)Northwest Conference on Road Building Oregon State College, Corvallis. Proceedings of the 1953 Northwest Conference on Road Building [February 26-27, 1953, Oregon State College]. Engineering Experiment Station, Oregon State System of Higher Education, Oregon State College, 1953.