Harvard University. Landscape Architecture Research Office, United States. Bureau of Public Roads, & Hornbeck, P. L. (1969). Comprehensive highway planning: A study of qualitative factors in rural highway location methodology. Clearinghouse for Federal Scientific and Technical Information.
芝加哥风格引文Harvard University. Landscape Architecture Research Office, United States. Bureau of Public Roads, 与 Peter L. Hornbeck. Comprehensive Highway Planning: A Study of Qualitative Factors in Rural Highway Location Methodology. Springfield, Va.: Clearinghouse for Federal Scientific and Technical Information, 1969.
MLA引文Harvard University. Landscape Architecture Research Office, et al. Comprehensive Highway Planning: A Study of Qualitative Factors in Rural Highway Location Methodology. Clearinghouse for Federal Scientific and Technical Information, 1969.