APA

United States, . (1983). Costs of FBI undercover operations. [Washington, D.C: .

Chicago

United States, . 1983. Costs of FBI undercover operations. [Washington, D.C: .

Harvard

United States, . (1983). Costs of FBI undercover operations. [Washington, D.C: .

MLA

United States, . Costs of FBI undercover operations. [Washington, D.C: . 1983.