APA-viite (7. p.)

United States. National Capital Regional Planning Council. (1966). The regional development guide, 1966-2000. U.S. Govt. Print Off.

Chicago-viite (17. p.)

United States. National Capital Regional Planning Council. The Regional Development Guide, 1966-2000. Washington,D. C: U.S. Govt. Print Off, 1966.

MLA-viite (9. p.)

United States. National Capital Regional Planning Council. The Regional Development Guide, 1966-2000. U.S. Govt. Print Off, 1966.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.