APA

United States, . (1979). Custom's Office of Investigations needs to concentrate its resources on quality cases. [Washington, D.C: .

Chicago

United States, . 1979. Custom's Office of Investigations needs to concentrate its resources on quality cases. [Washington, D.C: .

Harvard

United States, . (1979). Custom's Office of Investigations needs to concentrate its resources on quality cases. [Washington, D.C: .

MLA

United States, . Custom's Office of Investigations needs to concentrate its resources on quality cases. [Washington, D.C: . 1979.