APA ציטוט

United States. Federal Highway Administration. (1977). Esthetics and visual resource management for highways. s.n..

Chicago Style (17th ed.) Citation

United States. Federal Highway Administration. Esthetics and Visual Resource Management for Highways. [United States: s.n., 1977.

ציטוט MLA

United States. Federal Highway Administration. Esthetics and Visual Resource Management for Highways. s.n., 1977.