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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)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.