United States. Dept. of Commerce & United States. Bureau of Public Roads. Lost production.
Chicago-viite (17. p.)United States. Dept. of Commerce ja United States. Bureau of Public Roads. Lost Production. Department of Commerce [and ] Bureau of Public Roads.
MLA-viite (9. p.)United States. Dept. of Commerce ja United States. Bureau of Public Roads. Lost Production.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.
