United States. Bureau of Public Roads, Texas. Highway Department, & Pinnell, C. (1963). Guide to the selection of nondirectional interchanges. Texas Transportation Institute.
Chicago Style (17th ed.) CitationUnited States. Bureau of Public Roads, Texas. Highway Department, and Charles Pinnell. Guide to the Selection of Nondirectional Interchanges. College Station, Tex.: Texas Transportation Institute, 1963.
MLA (9th ed.) CitationUnited States. Bureau of Public Roads, et al. Guide to the Selection of Nondirectional Interchanges. Texas Transportation Institute, 1963.
Warning: These citations may not always be 100% accurate.